China - 2025 Chikungunya

[sharon sanders]

Guangdong Shunde reported 478 confirmed cases of Chikungunya fever: caused by overseas imports, all of which are mild

July 15, 2025 15:31

　　On the afternoon of July 15, the official WeChat public account "Healthy Shunde" of the Health and Health Bureau of Shunde District, Foshan City, Guangdong Province reported that on July 8, Shunde District monitored and discovered a local outbreak of Chikungunya fever caused by overseas imports. All levels of the city and district attached great importance to it and immediately organized professional forces to carry out prevention and control work with all their strength. Through active case search and testing, as of July 15, a total of 478 confirmed cases have been reported in the district, mainly concentrated in Lecong Town, Beijiao Town, and Chencun Town, all of which were mild cases.

https://news.sina.com.cn/c/2025-07-1...=pcpager_news& loc=34&r=0&rfunc=11&tj=cxvertical_pc_pager_news&tr =174

[Shiloh]

Source: https://www.chinadaily.com.cn/a/2025...7b5d90dda.html

Chikungunya virus infects nearly 2,000 in Guangdong's Foshan
By Tan Yingzi in Chongqing | chinadaily.com.cn | Updated: 2025-07-20 17:35

The local disease control and prevention center in Foshan, Guangdong province, urged the public on Sunday to step up mosquito eradication and prevention measures after 1,873 cases of chikungunya fever were confirmed in three districts.

On July 8, Shunde district health bureau found one imported chikungunya case and immediately started search and prevention work. As of Saturday, Shunde reported 1,790 cases with 34 in Nanhai and 49 in Chancheng. All the cases were mild, and there have been no severe or fatal cases; 720 patients have recovered, local health authorities said at the news conference on Sunday afternoon.

After the outbreak, the Foshan government launched an emergency response and set up a command headquarters for epidemic prevention and control, and coordinated the forces of health, disease control, urban management, education, commerce, housing and construction, transportation, and other departments...

[Shiloh]

Source: https://www.macaubusiness.com/macau-...ked-to-foshan/


Macau reports first imported chikungunya case linked to Foshan
By Aries Un
July 21, 2025


Macau has found itself affected by the chikungunya outbreak recently identified in Guangdong, with the city’s first imported case involving a 61-year-old resident.

According to the Health Bureau, the man tested positive for the virus on 18 July, last Friday, after returning from Foshan.

Between 8 and 17 July, the senior citizen travelled to Shunde district in Foshan city to visit his family.

On the morning of 17 July, he began experiencing symptoms including fever, headache, muscular and joint pain...

[Shiloh]

Source: https://www.financialexpress.com/bus...-3100-3925136/

China records worst chikungunya outbreak in 20 years, cases cross 3,100
Chikungunya Virus Outbreak in China: China is facing its worst chikungunya outbreak, with over 3,100 cases in Foshan city. Experts blame climate change, low immunity, and mosquito breeding due to hot, humid conditions.
Written by Health Desk
July 24, 2025 12:50 IST

China mosquito-borne virus outbreak: China is facing its worst-ever outbreak of chikungunya, a viral infection spread by mosquitoes. The outbreak has hit Foshan city, located in the southern province of Guangdong, where more than 3,100 cases have been reported in just the month of July, according to national broadcaster CCTV. This is the biggest outbreak of chikungunya since the virus was first detected in China nearly 20 years ago....

[sharon sanders]

3,317 cases of Chikungunya fever have been confirmed in Shunde, Foshan

July 24, 2025 17:07

3,317 cases of Chikungunya fever have been confirmed in Shunde, Foshan

　　The Health and Health Bureau of Shunde District, Foshan City announced on the 24th: As of July 23, 2025, our district has reported a total of 3,317 confirmed cases of Chikungunya fever, mainly concentrated in Lecong Town, Beijiao Town, and Chencun Town, all of which are mild cases.
　　On July 23, the media visited the designated hospital for the treatment of Chikungunya fever in Lecong Town, Shunde District. Ms. Wei, who was receiving treatment at the hospital, said that she began to feel numbness in her hands and joint pain around July 21. At first, she thought it was nothing, but it started to get worse on July 22. "I couldn't walk at all!" Ms. Wei's husband also felt pain in his bones that day. After one day of treatment, on July 23, Ms. Wei felt that her symptoms were relieved, her joints were a little loose, her skin was still a little itchy, but there was still a little numbness and pain when pressing her lower limbs. (Comprehensive Health Shunde Cover News)

zhttps://news.sina.com.cn/2025-07-24/doc-infhqhut2776442.shtml?cre=tianyi&mod=pcpager_news& loc=5&r=0&rfunc=51&tj=cxvertical_pc_pager_news&tr= 174

[Shiloh]

Source: https://www.macaubusiness.com/two-mo...acau%EF%BB%BF/


Two more imported cases of chikungunya reported in Macau
By Newsdesk
July 27, 2025

The Health Bureau has recorded two additional imported cases of chikungunya fever, bringing the total number reported in Macau this year to four.

According to the public service broadcaster, the first patient is a 48-year-old foreign worker employed in Taipa, who had travelled to the Philippines between 6 and 19 June.

The second patient is a 38-year-old local resident of Coloane, who visited Foshan with friends between 19 and 20 July. After returning to Macau, he developed joint pain in his lower limbs and a fever...

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Macao -

Translation Google

The Health Bureau received a report of a local case of Chikungunya fever


Source: Health Bureau release date: August 1, 2025, 22:50

The Health Bureau received a report of a case of Chikungunya fever today (1). After investigation, it was confirmed that the case was related to the staff of New Town Area A reported earlier by the Mainland. The case was confirmed in Macao and was listed as the first local case of Chikungunya fever in Macao.

The patient is a 34-year-old male Macao resident who lives at Block 8, Guangfu On Garden, Rua da Areia Preta, and works at a construction site in Sun City Area A. He developed a sore throat on July 27, without fever or joint pain. He underwent a Chikungunya virus test that same day, which was negative. His symptoms persisted, and on August 1, he developed a rash on both arms and chest. He sought medical attention at the Conde S. Januario Hospital, where testing by the Public Health Laboratory confirmed he was positive for Chikungunya virus. His condition is stable, and he is being treated in isolation at the Conde S. Januario Hospital.

Based on the patient's travel history, time of symptom onset and laboratory test results, he was classified as the first local case of Chikungunya fever, which was related to the staff in New Town Area A reported earlier by the mainland and had the same source of infection.

The patient works at a construction site in New Town Area A. In response to recent reports from mainland China that several construction workers residing in Zhuhai have been diagnosed with Chikungunya fever in Zhuhai, the Health Bureau recently held an inter-departmental coordination meeting and established a joint construction site prevention and control team. This week, team members, working with contractors in Area A, conducted daily inspections of stagnant water and breeding sources at construction sites within the area. They focused on inspecting the implementation of prevention and control measures at the affected and neighboring sites, providing on-site technical guidance and feedback on mosquito control to ensure the implementation of all mosquito prevention and control measures. Work at the construction site was suspended on July 30 for rectification, and will resume after a review of environmental improvements.

The Health Bureau will deploy personnel to conduct mosquito control near the patient's residence (around Guangfu On Garden, Rua da Areia Preta Central), while the Municipal Affairs Bureau will conduct chemical mosquito control at municipal facilities in the area, such as parks. Simultaneously, the Health Bureau will strengthen inspections of breeding sources in the area to reduce and interrupt transmission. Booths will also be set up near the patient's residence to provide public education and awareness campaigns, urging residents to remove stagnant water at home and take mosquito-repellent measures. Blood tests will also be arranged for those who display suspected symptoms.

Chikungunya fever, also known as chikungunya, is an infectious disease transmitted by Aedes albopictus and Aedes aegypti mosquitoes. The clinical manifestations, mode of transmission, and prevention and control methods of chikungunya are similar to those of dengue fever. The incubation period is 1 to 12 days, usually 3 to 7 days. Symptoms include fever and severe joint pain. Other common symptoms include muscle pain, headache, nausea, fatigue, and rash. Most cases are mild and last for several days. Severe illness and death are rare, but joint pain can be severe enough to limit personal activity and persist for weeks to months. Treatment primarily focuses on symptomatic treatment.

The Health Bureau emphasizes that chikungunya fever is transmitted through the bites of infected Aedes albopictus mosquitoes and is not directly transmitted from person to person. Eliminating breeding sources is the most effective preventive measure; therefore, residents are urged to pay attention to the removal of stagnant water to prevent mosquito breeding. Furthermore, Macao has entered the risk season for mosquito-borne diseases and once again reminds residents not to take it lightly and to implement the "Three Mosquito Prevention Measures" to jointly prevent and control mosquito-borne diseases such as chikungunya fever and dengue fever:

1. To prevent mosquitoes from breeding in your home, make sure to regularly clear stagnant water in your workplace and around your home to prevent mosquito breeding.
2. Prevent mosquitoes from entering your home by using window screens, mosquito nets, or turning on the air conditioner to reduce the chance of being bitten by mosquitoes;
3. To prevent mosquito bites outdoors, wear light-colored long-sleeved shirts and pants when outdoors, and use mosquito repellent on exposed skin or clothes to prevent mosquito bites.

Residents experiencing symptoms such as fever, joint pain, and rash should seek medical attention promptly and inform their doctors of their place of residence and travel history. Doctors should promptly test and notify patients suspected of having Chikungunya fever. The Public Health Laboratory of the Health Bureau can provide Chikungunya testing services. For inquiries, please call the Health Bureau's Communicable Disease Hotline at 28700800 or visit the Communicable Diseases website at https://www.ssm.gov.mo/csr.

https://www.gov.mo/zh-hans/news/841410/#:~:text=%E5%9F%BA%E5%AD%94%E8%82%AF%E9%9B%85%E7%8 3%AD%EF%BC%88Chikungunya%20fever%EF%BC%89%E5%8F%88 %E7%A7%B0%E5%B1%88,%E7%97%87%E5%B9%B6%E6%8C%81%E7% BB%AD%E6%95%B0%E5%A4%A9%E3%80%82

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CHP investigates first imported chikungunya fever case in Hong Kong this year

CHP investigates first imported chikungunya fever case in Hong Kong this year
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The Centre for Health Protection (CHP) of the Department of Health is today (August 2) investigating an imported chikungunya fever (CF) case. This is the first case recorded in Hong Kong this year. The CHP reminded members of the public to maintain strict environmental hygiene, mosquito control and personal protective measures both locally and when travelling outside of Hong Kong.

The case involved a 12-year-old boy with good past health living in Kwun Tong. He developed fever, rash and joint pain since July 31 and sought medical attention from a private doctor on the same day. Despite the symptoms are mild, he was referred to the Accident and Emergency Department of United Christian Hospital on August 1 due to his recent travel history. He was admitted for treatment in a mosquito-free environment on the same day. The patient is now in stable condition. His blood sample tested positive for CF virus upon laboratory testing.

Initial investigations revealed that the patient travelled to Foshan in Guangdong Province between July 17 and 30, and recalled a history of mosquito bites during the stay. Since the patient stayed in Foshan during the whole incubation period, the CHP considers that the patient was infected during travel, and the case was classified as an imported case. His household contacts (including one travel collateral) are currently asymptomatic and under medical surveillance. The CHP's epidemiological investigations is ongoing and has reported the case to the health authorities of Guangdong.

The Food and Environmental Hygiene Department (FEHD) has conducted vector investigations and targeted mosquito control operations and will intensify mosquito prevention and control measures at the residence of the patient, as well as locations visited after the onset of symptoms. These measures include:

• carrying out intensive fogging in the scrubby areas within 250-metre radius of the relevant locations to kill adult mosquitoes;
• carrying out inspection of the locations, removing stagnant water, applying insecticides and disposing of abandoned water containers every week with a view to preventing mosquito breeding; and
• enhancing public education efforts through organising health talks, setting up mobile education stations, and distributing publicity leaflets.

The abovementioned case is the first imported CF case in Hong Kong this year. From 2016 to 2019, between one and 11 CF cases were recorded in Hong Kong each year, all of which were imported cases.

According to the World Health Organization, CF cases have been recorded in more than 110 countries/regions. As of early June this year, over 220 000 cases had been reported in 14 countries/regions worldwide (including the Mainland, Taiwan and Singapore which are popular tourist destinations for Hong Kong citizens). Of these cases, about 80 were fatal. Moreover, according to the information from the Foshan health authority, as of July 31 there were over 6 900 cases. The majority of cases (5 972 cases) were in Shunde District. All cases were mild, with no severe or fatal cases. As well, confirmed cases were also recorded in other cities in Guangdong Province recently. Regarding Macao, six imported cases and one local case of CF were recorded since mid-July.

"CF is not transmitted from person to person, and is primarily transmitted to humans through the bite of female Aedes mosquitoes carrying the CF virus. Eliminating mosquito breeding sites and avoiding mosquito bites are the most effective measures. During the early stage after the onset of symptoms (especially when a fever is present), the blood of patients of CF contains a large amount of virus, which is infectious to mosquitoes. If they are bitten by mosquitoes during the communicable period, further local transmission via mosquitoes is possible. Therefore, avoiding mosquito bites of the patient is an important measure to prevent local transmission," said the Head of the Communicable Disease Branch of the CHP, Dr Albert Au.

Despite severe or fatal cases caused by CF is rare and the symptoms are milder than that of Dengue Fever, and most patients recover on their own, as local mosquitoes have not carried the CF virus, the Government strives to prevent CF from becoming endemic in Hong Kong, and has adopted multi-pronged emergency preparedness, including strengthening public education and publicity, stepping up control measures at boundary control points, enhancing local testing capabilities, arranging mosquito-free environment for treatments, conducting epidemiological investigations and risk assessments for confirmed cases, intensifying mosquito prevention and control measures, etc. The Public Health Laboratory Services Branch of the CHP is equipped with sufficient testing capabilities. The CHP has, in collaboration with the Hospital Authority, further enhanced the local testing capabilities to ensure that in the event of an outbreak, suspected cases could be tested as soon as possible with an aim of early detection and diagnosis.

Dr Au reminded members of the public that people returning from areas affected by mosquito-borne diseases should apply insect repellent for 14 days upon arrival in Hong Kong. Members of the public should closely observe personal health conditions, in particular symptoms such as fever, joint pain and rash. If they feel unwell, they should seek medical advice promptly and provide their travel details to the doctor for clinical diagnosis and arrange appropriate testing based on an individual patient's condition. Members of the public are urged not to self-medicate, particularly with aspirin or non-steroidal anti-inflammatory drugs (such as ibuprofen), as these drugs may cause serious side effects, for example increasing the risk of haemorrhage.

The FEHD appeals to members of the public to continue to stay alert and work together to carry out mosquito prevention and control measures early, including inspecting their homes and surroundings to remove potential breeding grounds, changing water in vases and scrubbing their inner surfaces, removing water in saucers under potted plants at least once a week, and properly disposing of containers such as soft drink cans and lunch boxes. The FEHD also advises members of the public and estate management bodies to keep drains free of blockage and level all defective ground surfaces to prevent the accumulation of water. They should also scrub all drains and surface sewers with an alkaline detergent at least once a week to remove any mosquito eggs. Members of the public are also reminded to take heed of the following advice on mosquito control:

• Thoroughly check all gully traps, roof gutters, surface channels and drains to prevent blockage;
• Scrub and clean drains and surface channels with an alkaline detergent compound at least once a week to remove any deposited mosquito eggs;
• Properly dispose of refuse, such as soft drink cans, empty bottles and boxes in covered litter containers;
• Completely change the water of flowers and plants at least once a week. The use of saucers should be avoided if possible;
• Level irregular ground surfaces before the rainy season;
• Install mosquito screens on windows and doors if necessary, or use mosquito screens or nets in indoor areas;
• Avoid staying in shrubby areas; and
• Take personal protective measures such as wearing light-coloured long-sleeved clothes and trousers, and apply insect repellent containing DEET to clothing or uncovered areas of the body when doing outdoor activities.

The public should call 1823 in case of mosquito problems and may visit the following pages for more information: the CF page of the CHP and the Travel Health Service, the latest Travel Health News, tips for using insect repellents, and the CHP Facebook Page, Instagram Account and YouTube Channel, and also Mosquito Prevention and Control dedicated page of the FEHD.

Ends/Saturday, August 2, 2025
Issued at HKT 20:26

https://www.info.gov.hk/gia/general/202508/02/P2025080200897.htm

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Translation Google
While investigating the prevention and control of Chikungunya fever in Guangdong, Liu Guozhong stressed the need to go all out to win the battle against the epidemic and ensure the health of the people.


August 1, 2025, 6:11 PM Source: Xinhua News Agency


While investigating the prevention and control of Chikungunya fever in Guangdong, Liu Guozhong stressed the importance
of going all out to win the battle against the epidemic
and ensure the health of the people.

Guangzhou, August 1 (Xinhua) -- Liu Guozhong, member of the Political Bureau of the CPC Central Committee and Vice Premier of the State Council, visited Guangdong from July 31 to August 1 to investigate Chikungunya fever prevention and control efforts. He stressed the need to thoroughly study and implement the important instructions of General Secretary Xi Jinping, implement the decisions and arrangements of the CPC Central Committee and the State Council, adhere to scientific prevention and control measures, strengthen the responsibilities of all parties, implement all epidemic prevention and control measures in a down-to-earth manner, and go all out to win the battle against the epidemic and effectively protect the health of the people.

Liu Guozhong visited Shunde District, Foshan City, and conducted on-site investigations at the Center for Disease Control and Prevention, community-level communities, and hospitals treating patients. He conducted on-site investigations on epidemic prevention and control, patient treatment, mosquito control, and health education. He also presided over a meeting to discuss and deploy the next steps in epidemic prevention and control. He emphasized that we are currently in a critical period of epidemic prevention and control, and we must adhere to bottom-line thinking and focus on the goals of "preventing importation, preventing spread, preventing spillover, controlling the increase, and clearing the existing stock" to intensify prevention and control efforts and expand their achievements. The Patriotic Health Campaign must be carried out in depth, and pest control teams must be strengthened and professionally trained. Scientific and effective mosquito control and prevention measures must be implemented to eliminate mosquito-breeding environments. Environmental remediation and case investigation must be strengthened in key areas to cut off transmission channels and continuously reduce the risk of the epidemic. Port health and quarantine measures must be strictly implemented, and regional coordination and inter-departmental collaboration must be strengthened to effectively prevent importation and domestic spread. The updated Chikungunya fever diagnosis and treatment protocol must be implemented, adhering to the integration of traditional Chinese and Western medicine to ensure effective medical treatment and management of cases.

Liu Guozhong emphasized that the chikungunya epidemic is preventable, controllable, and curable. The key is to strengthen organizational leadership, implement the "four-party responsibility," adhere to widespread mobilization and mass prevention and control, implement the "four early" requirements, and implement a tiered, classified, scientific, and precise epidemic prevention and response. Timely release of epidemic information, reporting on epidemic prevention and control progress, and effectively responding to public concerns are crucial. Efforts should be made to increase public awareness of the chikungunya virus and guide the public to enhance their awareness and ability to protect themselves. Multi-disease prevention should be adhered to, with coordinated efforts to prevent and control dengue fever and other summer infectious diseases to ensure public health safety.

https://www.gov.cn/yaowen/liebiao/20...nt_7034894.htm

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China reports 7,000 cases of chikungunya virus

6 hours ago

Kelly Ng
BBC News, Singapore

More than 7,000 cases of a mosquito-borne virus have been reported across China's Guangdong province since July, prompting measures similar to those taken during the Covid-19 pandemic.

In Foshan city, which has been hit the hardest, chikungunya patients must stay in hospital, where their beds will protected with mosquito nets. They can only be discharged after they test negative or at the end of a week-long stay.
...
Aside from Foshan, at least 12 other cities in the southern Guangdong province have reported infections. Nearly 3,000 cases were reported in the last week alone.
...

https://www.bbc.com/news/articles/cvg0edj332yo

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Chinese city orders real-name registration for chikungunya fever medication amid outbreak

Foshan authorities implement new controls to track cases, while Fujian cities ask people returning from Guangdong to monitor symptoms

Sylvie Zhuangin Beijing
Published: 3:28pm, 5 Aug 2025

The southern city of Foshan has required real-name registration for medication to treat chikungunya fever, while two cities in southeastern China have asked travellers returning from affected areas to monitor their health for signs of the mosquito-borne illness.

The market supervision bureau in Foshan, Guangdong province issued a public notice on Sunday asking all retail pharmacies to start real-name registration and to keep records when selling medications to treat symptoms of chikungunya, including fever, rashes and joint pain.

This practice was also used during the Covid-19 pandemic to help mainland Chinese authorities track potential cases that were not reported.
...
Zhanjiang city in western Guangdong province reported four local cases of chikungunya fever from Sunday to Monday, according to a notice published by the health bureau of the city’s Xiashan district on Monday. It is the 14th city in mainland China to report at least one case of the disease.
...
Guangdong province reported 2,892 new cases last week, with 2,770 of those in Foshan and 65 in Guangzhou, the provincial capital, according to a report by state broadcaster CCTV on Sunday.
...

https://www.scmp.com/news/china/politics/article/3320793/chinese-city-orders-real-name-registration-chikungunya-fever-medication-amid-outbreak

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Translation Google


Centre for Health Protection investigating three new imported cases of Chikungunya fever
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　　The Centre for Health Protection (CHP) of the Department of Health announced today (August 6) that as of 5:00 p.m. today, three new cases of Chikungunya fever (CHF) had been recorded, all of which were imported cases. The CHP will continue to strengthen surveillance of the recent cases of Chikungunya fever. The CHP reminds the public to maintain good environmental hygiene and take anti-mosquito and personal protective measures, whether traveling locally or abroad. Avoiding mosquito bites and preventing mosquito breeding are effective ways to prevent Chikungunya fever.

　　The first case involves a 79-year-old woman living in Southern District with good past health. Preliminary investigations revealed that the patient visited relatives in Foshan City, Guangdong Province, between July 1 and 31, but could not recall any mosquito bites. She developed fever and joint pain on August 4 and sought treatment at the Accident and Emergency Department of Queen Mary Hospital yesterday (August 5). She was admitted to the hospital the same day and received treatment in a mosquito-free environment. She is currently in stable condition. Her blood sample tested positive for the Chikungunya virus.

　　As the patient spent most of her incubation period in Foshan City, the CFS believes she acquired the infection during her travels abroad, making this an imported case. The patient has no other travel companions or household contacts. The CFS is continuing its epidemiological investigation and has notified the Guangdong Provincial Health Authorities.

　　The second and third cases involve a 55-year-old man with a chronic illness and his previously healthy 10-year-old son, who live in Kwai Tsing District. Preliminary investigations revealed that the two patients traveled to Bangladesh from July 12 to August 3 and returned to Hong Kong on August 3. The boy reported being bitten by mosquitoes during his travels, but his father could not recall being bitten. The 55-year-old man developed fever and joint pain in Bangladesh on July 27. Upon returning to Hong Kong, he sought consultation at the Cheung Hong General Outpatient Clinic in Tsing Yi on August 4 and was referred to the Accident and Emergency Department of Princess Margaret Hospital. He was admitted the same day and received treatment in a mosquito-free environment. The boy developed similar symptoms in Bangladesh on August 1. After returning to Hong Kong, he sought medical advice and was admitted to the Hong Kong Adventist Hospital - Tsuen Wan on the same day. He was transferred to Queen Margaret Hospital for treatment in a mosquito-free environment yesterday. Both are currently in stable condition. Their blood samples were tested and confirmed to be positive for the Chikungunya virus.

　　Since they stayed in Bangladesh for the entire incubation period, the center believes that they were infected during their travels and are imported cases. The patient's other two household contacts, who were also fellow travelers, are currently asymptomatic and are under medical surveillance. The center is continuing its epidemiological investigation and has notified the Bangladeshi health authorities of the case.

　　The Food and Environmental Hygiene Department (FEHD) is conducting vector surveys and targeted mosquito control work, and will strengthen mosquito prevention and control work at the residence of the case patient and places visited after the onset of the disease, including:
　　

• Carry out intensive fogging in densely wooded areas within 250 metres of the relevant sites to kill adult mosquitoes;
• Conduct weekly inspections of the above locations to clear stagnant water, apply pesticides and remove abandoned water containers to prevent mosquito breeding; and
• Strengthen publicity and education, including organizing health talks, setting up mobile education centres and distributing leaflets.

　　Hong Kong has recorded a total of four cases of chikungunya fever this year, all of which were imported. From 2016 to 2019, Hong Kong recorded between one and 11 cases annually, all of which were imported.

　　Dr. Au Ka-wing, Director of the Infectious Diseases Division of the Centre for Disease Control and Prevention, reminds the public to take effective mosquito prevention measures during the rainy season to prevent mosquito-borne diseases. Residents returning to Hong Kong from areas affected by mosquito-borne diseases should use insect repellent continuously for 14 days and closely monitor their health for symptoms such as fever, joint pain, or rash. If feeling unwell, seek medical attention promptly and inform the doctor of travel details so that the doctor can make a clinical diagnosis and arrange appropriate testing based on individual patient circumstances. People are advised not to self-medicate, especially with aspirin or non-steroidal anti-inflammatory drugs (such as ibuprofen), as these drugs may cause serious side effects, such as an increased risk of bleeding. Children should generally avoid taking medications containing aspirin to relieve fever and other symptoms to prevent the risk of Reye's syndrome, a serious and potentially fatal complication.

　　Although severe symptoms and death from chikungunya are rare, and its symptoms are milder than those of dengue fever, most patients recover on their own. However, as local mosquito vectors do not carry the chikungunya virus, the Government is fully committed to preventing chikungunya from taking root in Hong Kong. It has proactively implemented a number of emergency preparedness measures, including comprehensively strengthening publicity and education efforts, enhancing control measures at border crossings, enhancing local testing capacity, arranging for patients to receive treatment in mosquito-free environments, conducting epidemiological investigations and risk assessments for confirmed cases, and strengthening vector surveys and mosquito control. The Public Health Laboratory Services Branch of the Centre has sufficient testing capacity. The Centre will conduct testing for suspected cases of chikungunya in public and private hospitals. The Centre has collaborated with the Hospital Authority to further enhance local testing capacity to ensure that in the event of an outbreak in Hong Kong, suspected cases can be tested as soon as possible for early detection and diagnosis.
　　
　　The FEHD urges the public to remain vigilant and work together to take early measures to prevent and control mosquitoes at home and in other environments. These measures include inspecting homes and surrounding areas, thoroughly removing places where mosquitoes can breed, completely changing the water in vases and scrubbing the inner walls at least once a week, emptying the water in plant saucers, and properly disposing of containers such as soda cans and lunch boxes. The FEHD also advises the public and property management companies to keep drains clear and fill sunken areas to prevent water accumulation, and to scrub drains and open drains with alkaline detergents at least once a week to remove possible accumulations of mosquito eggs. Measures that the public should continue to take:

• Thoroughly inspect gutter traps, roof gutters, open channels and drains to avoid blockage;
• Scrub drains and surface drains with an alkaline detergent at least once a week to remove any possible accumulation of mosquito eggs;
• Soft drink cans, empty bottles and cartons should be properly disposed of in covered rubbish bins;
• The water used for planting flowers should be completely changed at least once a week. Try to avoid using saucers;
• Fill in uneven ground before the rainy season;
• If necessary, install mosquito nets on doors and windows, or use mosquito screens or mosquito nets indoors;
• Avoid staying in jungles; and
• During outdoor activities, take personal protective measures by wearing light-colored long-sleeved tops and long pants, and apply insect repellent containing DEET on exposed skin and clothing.

　　If members of the public notice mosquito infestations, they should call 1823. They may also refer to the following dedicated webpages for details: the Centre for Health Protection and Travel Health Service Chikungunya fever page, the latest travel information , tips on using insect repellents , the Centre for Health Protection's Facebook page , Instagram account and YouTube channel , and the Food and Environmental Hygiene Department's mosquito prevention and control page .



over

August 6, 2025 (Wednesday)
at 7:07 PM Hong Kong Time

https://www.info.gov.hk/gia/general/...5080600756.htm

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Translation Google

Can Chikungunya fever patients refuse mosquito isolation? Guangdong Provincial Centers for Disease Control and Prevention interprets the "two fevers" prevention and control regulations

Time：2025-08-05

Recently, mosquitoes in Guangdong have entered a period of rapid reproduction, leading to outbreaks of chikungunya fever in many areas of the province, and dengue fever cases are also on the rise. Faced with the threat of these two epidemics, some citizens may be unaware that failure to clear stagnant water, refusing quarantine, and refusing to cooperate with disinfection measures may violate legal regulations. On August 4th, the Guangdong Provincial Centers for Disease Control and Prevention explained the legal provisions regarding the prevention and control of infectious diseases.



What should non-medical institutions or government departments do when they discover patients or suspected cases of Chikungunya fever?
A: Article 31 of the Law of the People's Republic of China on the Prevention and Control of Infectious Diseases stipulates: "Any unit or individual who discovers a patient with an infectious disease or a suspected infectious disease patient shall promptly report it to the nearest disease prevention and control agency or medical institution."
Chikungunya prevention and control is everyone's responsibility. If you discover someone infected with or suspected of having chikungunya, you should promptly report it to the relevant authorities. If you discover you may have been infected with chikungunya, you should also promptly report it and, according to medical advice, take mosquito-resistant measures at home or seek medical treatment at a hospital for mosquito-resistant measures and symptomatic treatment.


Can Chikungunya fever patients refuse mosquito isolation?
A: No. Mosquito prevention and isolation are core measures to interrupt the "human-mosquito-human" transmission chain. These measures can be divided into physical barrier protection (such as full coverage of wards with mosquito nets and installation of screens on doors and windows) and chemical mosquito repellents (such as indoor and outdoor disinfection), which can effectively control the spread of the epidemic.
Article 12 of the "Law of the People's Republic of China on the Prevention and Control of Infectious Diseases" stipulates that all entities and individuals within the territory of the People's Republic of China must accept prevention and control measures related to infectious diseases, including investigations, testing, sample collection, and isolation and treatment, by disease prevention and control agencies and medical institutions, and truthfully provide relevant information. Therefore, chikungunya fever patients should be isolated in hospitals or at home using mosquito repellent measures, as directed by medical institutions, to ensure public health safety.


What preventive measures should individuals and organizations take?
A: Article 11 of the Guangdong Province Regulations on the Prevention and Control of Vector-borne Diseases stipulates that in addition to complying with national and provincial environmental sanitation regulations, organizations and individuals must also do the following prevention and control work:
(1) Regularly dredge sewers and ditches, level low-lying areas, remove stagnant water indoors and outdoors, and control mosquito breeding;
(2) Garbage and other materials that are likely to attract and breed flies should be placed in containers with covers and cleared daily;
(3) Human, poultry, and livestock excrement must be properly managed; excrement pits and vats must be tightly sealed; and unfermented organic fertilizers must not be used on flowers and trees planted in residential areas;
(4) Improve mosquito, fly, and rat prevention facilities, block rat holes, and fill cracks and crevices to prevent cockroaches from hiding and breeding;
(5) Participate in the prevention and control activities of vector-borne diseases organized by the local residents' committee or villagers' committee.


Is it true that if you do not participate in prevention and control work such as clearing stagnant water, preventing mosquitoes, and killing mosquitoes, you may be held legally responsible?
Answer: Article 42 of the "Guangdong Province Patriotic Health Work Regulations" clearly stipulates that units and individuals should maintain cleanliness and hygiene indoors and outdoors, improve facilities to prevent rats, flies, mosquitoes, and cockroaches, promptly remove stagnant water and garbage, seal manure pits and clean them regularly, eliminate vectors and their breeding conditions, and control the density of vectors within the standards prescribed by the state.
Accordingly, all organizations and individuals are obligated to take proactive preventive measures to control infectious diseases such as chikungunya and dengue fever. This safeguards their own and societal health and demonstrates compliance with laws and regulations. Violations of relevant regulations will result in warnings, deadlines for rectification, or fines by county-level or higher health administrative departments or government-designated administrative departments. Violations of relevant regulations that lead to the spread or epidemic of infectious diseases, or damage to the lives or property of others, will result in civil liability in accordance with the law.


What penalties may schools, shopping malls, parks and other public places face if they fail to equip mosquito prevention facilities as required or stop using mosquito prevention facilities on their own?
Answer: Article 37, Paragraph 4 of the "Detailed Rules for the Implementation of the Regulations on Public Place Hygiene Management" stipulates that if the operators of public places fail to equip facilities and equipment for the prevention and control of rats, mosquitoes, flies, cockroaches and other vectors of disease and disease, as well as special facilities and equipment for the storage of wastes as required, or stop using or dismantle the facilities and equipment for the prevention and control of rats, mosquitoes, flies, cockroaches and other vectors of disease and disease, as well as special facilities and equipment for the storage of wastes without authorization, the health and family planning administrative departments of the local people's governments at or above the county level shall order them to correct the situation within a time limit; if they fail to correct the situation within the time limit, they shall be given a warning and fined not less than RMB 1,000 and not more than RMB 10,000; if they refuse supervision, they shall be fined not less than RMB 10,000 and not more than RMB 30,000; if the circumstances are serious, they may be ordered to suspend business and rectify the situation in accordance with the law, up to and including the revocation of their health license.




Reprinted from Guangzhou Daily New Flower City: Original reading

https://www.gdspma.org.cn/tre-info/1322.html

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Six questions about Chikungunya fever: Chief Expert of Guangdong Center for Disease Control and Prevention
Southern News Network,
August 6, 2025, 6:42:08 PM　　

Since July, a new and difficult-to-pronounce term - Chikungunya fever has entered the lives of Guangdong people, and a large-scale anti-mosquito campaign has been launched in Guangzhou, Foshan and other places.
　　
What is chikungunya? According to the World Health Organization's official website, chikungunya is a disease caused by the chikungunya virus, primarily transmitted by the bite of the Aedes mosquito. Large-scale outbreaks and sporadic cases have been reported primarily in the Americas, Asia, and Africa. Currently, local transmission of chikungunya has been reported in over 110 countries and regions worldwide.
　　
So, what are the symptoms of chikungunya? How does it differ from dengue fever, another mosquito-borne disease? And how can we combat it? To answer these questions, Southern Net interviewed He Jianfeng, Deputy Director of the Guangdong Provincial Center for Disease Control and Prevention and Chief Scientist in the field of infectious disease prevention and control , to answer the public's questions.
　　
Question 1: What are the symptoms of Chikungunya fever?
　　
He Jianfeng: There are three main symptoms. The first is fever , which most people experience as a low- to moderate-grade fever. The second is joint pain , especially in small joints such as the ankles, wrists, knees, and finger joints, which can feel swollen and painful. A significant number of people also develop a rash , mostly maculopapular, which appears slightly raised and feels slightly convex. The rash usually subsides by the third day.
　　
Question 2: Are the symptoms similar to dengue fever? How can we tell the difference?
　　
He Jianfeng: Although dengue fever and chikungunya are two different diseases, their clinical manifestations are extremely similar and their transmission methods are also the same. In Guangdong, they are both transmitted by the bites of Aedes albopictus, also known as the flower mosquito, and both have symptoms of fever, muscle aches and rash.
　　
The first difference is the joint pain. Chikungunya causes pain in small joints, such as the ankles, in the distal extremities, while dengue causes general muscle aches. The second difference is the rash . The dengue rash is generally non-protruding. Pressing the rash with your fingers will immediately reveal five finger prints, and the underlying rash is filled with blood. Chikungunya causes a raised maculopapular rash. We are currently co-preventing both diseases. Both can be quickly diagnosed with a single test at the hospital.
　　
Question 3: How should we protect ourselves?
　　
He Jianfeng: Since most people lack immunity to chikungunya, anyone bitten by an infected mosquito will likely be infected. Therefore, the current source of infection control involves centralized mosquito control and quarantine .
　　
Second, to prevent the spread of mosquito-borne diseases, we must disrupt their transmission pathways by killing mosquitoes. Third, we must protect ourselves. Wear long sleeves when going out, apply mosquito repellent, and avoid mosquito bites. These three combined efforts will undoubtedly halt the spread of this disease among the population.
　　
Question 4: Which groups of people need special attention?
　　
He Jianfeng: We must pay close attention to vulnerable groups. These include people over 65, infants, and those with chronic health conditions, such as pre-existing heart conditions, diabetes, and hypertension. We are concerned about the potential for complications from the virus in these individuals. Pregnant women also require close attention. International literature suggests that infected pregnant women may also infect their newborns with Chikungunya fever.
　　
Question 5: What should you do if you feel that you have been infected?
　　
He Jianfeng: The first step is to seek medical treatment immediately. Guangdong's community hospitals and second-level and higher hospitals are generally capable of treating patients with dengue fever or chikungunya. Hospitals currently have detailed procedures, including fever clinics, timely sampling and diagnosis, and isolation and treatment. The disease generally lasts about seven days, so all you need to do is seek medical attention promptly.
　　
Question 6: What should I pay attention to if I travel abroad this season?
　　
He Jianfeng: This disease is mainly concentrated in tropical areas. So for friends who travel to tropical areas, we give two suggestions. One is to take precautions, and the other is to seek medical treatment in time if you are unfortunately infected, and actively tell the doctor your travel history so that the doctor can make a clear diagnosis quickly. At the same time, take anti-mosquito and anti-mosquito measures in the area where you are.


https://m.sfccn.com/2025/8-6/0NMDE1MTNfMjA1MzM0NA.html

[Commonground]

CDC Traveler's Health
Chikungunya in China
Travel Notice

Page last reviewed: August 01, 2025



Key points

• There is an outbreak of chikungunya in Guangdong Province, China. Most cases have been reported in Foshan city (see map).
• Mosquitoes spread the virus that causes chikungunya.
• You can protect yourself by preventing mosquito bites, which includes using insect repellent; wearing long-sleeved shirts and pants; and staying in places with air conditioning or that have screens on the windows and doors.
• Vaccination is recommended for travelers who are visiting an area with a chikungunya outbreak. Two chikungunya vaccines are approved for use in the United States.
• If you are pregnant, reconsider travel to the affected areas, particularly if you are close to delivering your baby. Mothers infected around the time of delivery can pass the virus to their baby before or during delivery. Newborns infected in this way or by a mosquito bite are at risk for severe illness, including poor long-term outcomes.
  • In general, vaccination against chikungunya should be deferred until after delivery. However, when the risk of infection is high and exposure cannot be avoided, pregnant travelers should discuss with their healthcare provider the potential risks (to themselves and their babies) of chikungunya virus infection and the potential benefits and risks of vaccination so that vaccination can be considered.
• Seek medical care immediately if you develop fever, joint pain, headache, muscle pain, joint swelling, or rash during or after travel.

For Clinicians

• Two chikungunya vaccines are licensed in the United States:
  • A live-attenuated vaccine (IXCHIQ) was licensed in November 2023 for use in adults aged ≥18 years
  • A virus-like particle vaccine (VIMKUNYA) was licensed in February 2025 for use in adolescents and adults aged ≥12 years
• Healthcare providers should refer to the vaccine package inserts for contraindications for use of each vaccine.
• In addition, CDC and FDA recently investigated five hospitalizations for cardiac or neurologic events following vaccination with IXCHIQ among older people. This topic was discussed at the April 16^thAdvisory Committee on Immunization Practices (ACIP) meeting. We have also become aware of additional reports of serious adverse events among people aged 62 to 89 years from the use of the vaccine in other countries. Until these additional reports can be further investigated, the live-attenuated vaccine should not be used among people 60 years and older.
• Healthcare providers should discuss the benefits and risks of vaccination with individual travelers based on their age, underlying health conditions, destination, trip duration, and planned activites.

Traveler Information

• Health Information for Travelers to China
• CDC Chikungunya Website
• Chikungunya vaccines
• Avoid Bug Bites

Clinician Information

• Chikungunya in the CDC Yellow Book (Health Information for International Travel)
• Treatment and Prevention of Chikungunya Virus Disease
• Chikungunya Vaccine Information for Healthcare Providers
• FDA and CDC Recommend Pause in Use of Ixchiq (Chikungunya Vaccine, Live) in Individuals 60 Years of Age and Older While Postmarketing Safety Reports are Investigated

https://wwwnc.cdc.gov/travel/notices...kungunya-china

[Commonground]

Government of Hong Kong Special Administrative Region Press Release

Government continues to strengthen efforts in mosquito control and elimination, publicity and education in view of imported chikungunya fever cases (with photos)
Ends/Thursday, August 7, 2025

To ensure effective implementation of measures reducing the risk of transmission of chikungunya fever (CF), the Environment and Ecology Bureau (EEB) and the Food and Environmental Hygiene Department (FEHD), together with relevant government departments and stakeholders, continue to strengthen efforts in mosquito control and elimination, publicity and education. In response to the imported CF cases announced yesterday (August 6), the Acting Secretary for Environment and Ecology, Miss Diane Wong, and Assistant Director of the FEHD Mr Peter Poon today (August 7) visited several places, including the area outside of Mount Haven in Tsing Yi North, Kwai Tsing District, to review the immediate response measures in the area to reduce the risk of secondary spread of CF. They also visited Ma Wan in Tsuen Wan District to learn more about the specific follow-up actions of various government departments and stakeholders to mitigate mosquito infestation.

Meetings of the inter-departmental task forces on anti-mosquito work across districts were held in July to formulate strategies and operations with relevant government departments and stakeholders. During today's visit, the EEB and the FEHD reminded all relevant departments to step up efforts in mosquito control and elimination, publicity and education amidst the recent rainy weather. In addition, the Panel on Food Safety and Environmental Hygiene will discuss preventive and control measures against mosquitoes and CF on August 12. The Government will take into consideration views from stakeholders and residents in its future measures. The FEHD and the Property Management Services Authority will jointly hold a large-scale seminar for the property management sector on August 19. The Centre for Health Protection of the Department of Health and the FEHD will provide participants with the latest information on CF and details of measures on mosquito control and elimination.

Two of the imported cases announced yesterday travelled to Bangladesh and developed symptoms there. They returned to Hong Kong on August 3. Both patients live in Kwai Tsing District. The survey area in Tsing Yi North, where their residence is located, recorded a gravidtrap index for Aedes albopictus mosquitoes of 15.5 per cent in July this year, which is at Level 2 alert level, indicating a fairly extensive distribution of Aedes albopictus mosquitoes. In response to the imported cases, the FEHD has immediately commenced vector investigations and targeted mosquito control within 250-metre radius of their residence. Measures include removing mosquito breeding grounds, applying larvicides to stagnant water that cannot be cleared, and conducting ultra-low volume fogging operations in adult mosquito habitats such as densely wooded areas, dark and secluded places, and abandoned structures to eliminate adult mosquitoes. In addition, the FEHD, jointly with other stakeholders including the Housing Department, District Council members, Community Care Teams and property management companies, held a health talk this morning to answer the residents' enquiries.

The FEHD staff, representatives of housing estates, persons in charge of nearby hillside construction sites, and related pest control service contractors also provided detailed information on the actions taken and the ongoing work for mosquito control and prevention in public places, housing estates and construction sites. Furthermore, the FEHD convened a meeting of the inter-departmental task force on anti-mosquito work in Kwai Tsing District on July 28. Members of the task force include relevant departments and stakeholders and they will continue to collaborate and carry out related work.

The FEHD has also been closely monitoring mosquito infestation situations in various districts. The gravidtrap index in the survey area of Ma Wan in Tsuen Wan District was 24.4 per cent in July this year, reaching a Level 3 alert level, indicating an extensive distribution of Aedes albopictus mosquitoes. A meeting of the inter-departmental task force on anti-mosquito work in Tsuen Wan District was held by the FEHD on July 24. Members of the task force include relevant departments and stakeholders. Targeted and sustained mosquito prevention and control operations at high-risk locations have been carried out based on the gravidtrap index in Ma Wan at the time.

The EEB, the FEHD, the District Officer (Tsuen Wan), Mr Billy Au, representatives of related departments, housing estates, theme park, Rural Committees and community members have been conducting joint inspections in areas under their purview to strengthen mosquito prevention and control work. This includes eliminating mosquito breeding places, applying larvicides, conducting fogging operations to eradicate adult mosquitoes, and ensuring that mosquito trapping devices at appropriate locations are operating properly. Various parties and residents are willing to co-operate and provide support. With the concerted efforts of all parties, the situation of mosquito infestation in the survey area improved in the second half of July compared to the first half.

In recent months, the district offices of FEHD continue to work closely with relevant departments and stakeholders to strengthen inspections, particularly targeting construction sites and locations with higher mosquito infestation risks. Actions include strengthening the clearance of stagnant water and the application of larvicides such as temephos sand granules to stagnant water cannot be cleared immediately, as well as conducting ultra-low volume fogging operations to eliminate adult mosquitoes. Through publicity and educational work, the FEHD, relevant departments and stakeholders continue to appeal to members of the public to inspect and remove stagnant water at home to prevent and control mosquito infestation.

In addition to the inspections mentioned above, the FEHD staff, along with related departments and stakeholders, will conduct inspections at different places (including Southern District on Hong Kong Island and Kai Tak North in Kowloon City) today and tomorrow to follow up on related works.

The effectiveness of mosquito control relies on the concerted efforts and active participation of stakeholders from various sectors, including pest control operators in both public and private sectors, venue management and the general public, to prevent CF.


Issued at HKT 22:45

https://www.info.gov.hk/gia/general/202508/07/P2025080700846.htm

[Commonground]

CHP announces no new confirmed chikungunya fever infection cases today (with photos)
August 7, 2025

The Centre for Health Protection (CHP) of the Department of Health (DH) today (August 7) said that no new confirmed chikungunya fever (CF) infection cases had been recorded as at 5pm today. The CHP will continue to strengthen its surveillance work in view of the CF case in recent days. Members of the public are advised to maintain strict environmental hygiene, mosquito control and personal protective measures both locally and when travelling outside of Hong Kong. Avoiding mosquito bites and eliminating mosquito breeding sites are effective ways to prevent CF.

A total of four CF cases have been recorded in Hong Kong this year, all of which were imported cases. From 2016 to 2019, between one and 11 CF cases were recorded in Hong Kong each year, all of which were imported cases.

Continued: https://www.info.gov.hk/gia/general/...5080700703.htm