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Hong Kong - CHP Seasonal Influenza Reports 2025 - 2026

Ends/Monday, August 3, 2026​
DH investigates case of severe paediatric influenza A infection​

The Centre for Health Protection (CHP) of the Department of Health is today (August 3) investigating a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves a 7-year-old boy with good past health. He developed a cough and runny nose on July 27, and a fever on August 1. His condition deteriorated today, with decreased responsiveness. He was taken to the Accident and Emergency Department of Princess Margaret Hospital and was admitted to the paediatric intensive care unit for treatment. His respiratory specimen tested positive for influenza A (H3) virus. His clinical diagnosis was influenza A infection complicated with shock and encephalopathy. He remains hospitalised and is in critical condition.

The CHP's preliminary investigation revealed that the boy had received the 2025/26 seasonal influenza vaccination. He had no travel history during the incubation period. One of his household contacts recently developed upper respiratory symptoms and tested positive for influenza virus via a rapid antigen test. However, the household contact's condition was mild and did not require hospitalisation. The household contact has since recovered. The CHP will continue to investigate the case.​

"Hong Kong entered the influenza season in late June. The latest surveillance data revealed that the percentage of respiratory specimens testing positive for seasonal influenza viruses was 10.65 per cent and the influenza admission rate in public hospitals was 0.67 cases per 10 000 population last week. Both indicators increased last week. The predominant influenza viruses detected were influenza A (H3) (48 per cent), followed by influenza A (H1) (41 per cent) and influenza B (11 per cent). We expect the level of influenza activity to remain high in the coming weeks," said the Controller of the CHP, Dr Edwin Tsui.​

continued: https://www.info.gov.hk/gia/general/202608/03/P2026080300694.htm
 
Please see previous post (#41 https://flutrackers.com/forum/forum...uenza-reports-2025-2026?p=1039409#post1039409

Ends/Tuesday, August 4, 2026​

Child dies from influenza infection​

​The Centre for Health Protection (CHP) of the Department of Health announced yesterday (August 3) a severe case of influenza A infection involving a seven-year-old boy. The patient passed away today (August 4).

This is the first fatal case of paediatric influenza infection in Hong Kong this year. The CHP reminded members of the public that as Hong Kong has entered the influenza season, it is expected the level of influenza activity to remain high in the coming weeks. Members of the public should maintain strict personal and environmental hygiene. High-risk individuals, such as children, elderly, and those with underlying illnesses or persons who are immunocompromised, should wear a surgical mask when using public transport or staying in crowded places. The health condition of children with influenza can deteriorate rapidly. Parents must pay close attention to their condition, and visit an accident and emergency department immediately if the child's condition deteriorates with symptoms such as shortness of breath, wheezing, blue lips, chest pain, confusion, a persistent fever or convulsions.

Members of the public may refer to the CHP's COVID-19 & Flu Express and Seasonal Influenza Webpage for the latest information.​

https://www.info.gov.hk/gia/general/202608/04/P2026080400650.htm
 
Ends/Wednesday, August 5, 2026​

Government actively prepares for Seasonal Influenza Vaccination Programmes and has successfully completed procurement process for vaccines​

The Department of Health (DH) announced today (August 5) that the Government has completed the procurement process for the 2026/27 Seasonal Influenza Vaccination (SIV) Programmes and is actively preparing various vaccination arrangements.

To enhance the stability of vaccine supplies, the Government has enhanced the procurement procedures this year to introduce different brands and technology platforms of seasonal influenza vaccines that are supplied by different vaccine suppliers. The enhancement aims to diversify supply chain risks, ensure the reliability and sustainability of vaccine supplies, and enhance the flexibility of vaccine use in order to increase the vaccination rate.​

... https://www.info.gov.hk/gia/general/202608/05/P2026080500513.htm
 
Ends/Sunday, August 9, 2026​

DH investigates case of severe paediatric influenza A infection​

The Centre for Health Protection (CHP) of the Department of Health is today (August 9) investigating a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves a 5-year-old girl with underlying illnesses. She developed a fever, cough with sputum, chills, rigors, and shortness of breath on August 7. She was taken to the Accident and Emergency Department of Tuen Mun Hospital yesterday (August 8) and was admitted to the paediatric intensive care unit for treatment. Her respiratory specimen tested positive for influenza A (H1) virus. Her clinical diagnosis was influenza A infection complicated with sepsis. She remains hospitalised and is in serious condition.

The CHP's preliminary investigation revealed that the girl had received the 2025/26 seasonal influenza vaccination. She had no travel history during the incubation period. Her household contacts remain asymptomatic. The CHP will continue to investigate the case.

"Hong Kong entered the influenza season in late June. The latest surveillance data showed that the influenza activity is at a high level currently. The percentage of respiratory specimens testing positive for seasonal influenza viruses was 9.94 per cent and the influenza admission rate in public hospitals was 0.73 cases per 10 000 population last week. The predominant influenza viruses detected were influenza A (H3) and influenza A (H1) (45 per cent each), the rest were influenza B (10 per cent). We expect the level of influenza activity to remain high in the coming weeks," said the Controller of the CHP, Dr Edwin Tsui.

"The World Health Organization has already announced its recommendations for the composition of influenza vaccines for the 2026/27 season in the northern hemisphere. Vaccine manufacturers are currently producing vaccines in accordance with the recommendations for use by the end of the year. The Government has completed the procurement process for the 2026/27 Seasonal Influenza Vaccination Programmes and is actively preparing various vaccination arrangements. In addition, influenza and COVID-19 activities are at a high level currently, I urge members of the public, especially children, the elderly and high-risk groups such as those with underlying illnesses or compromised immune systems, to seek medical attention and treatment as soon as possible if they develop a fever or respiratory symptoms, as their condition may deteriorate rapidly. This will help reduce the risk of complications. If you live with members of high-risk groups, you should wear a surgical mask at home and seek medical attention as soon as possible if you develop respiratory symptoms to reduce the risk of infecting them. Other effective ways to reduce the spread of the disease include maintaining household hygiene, frequently cleaning and disinfecting frequently touched surfaces, practising good hand hygiene, and ensuring proper indoor air circulation," he added.

Dr Tsui also reminded parents that the health condition of children with influenza can deteriorate rapidly. Parents must pay close attention to their condition, and visit an accident and emergency department immediately if the child's condition deteriorates with symptoms such as shortness of breath, wheezing, blue lips, chest pain, confusion, a persistent fever or convulsions.

Members of the public may refer to the CHP's COVID-19 & Flu Express, Seasonal Influenza Webpage and COVID-19 Vaccination Programme Webpage, for the latest information.​

https://www.info.gov.hk/gia/general/202608/09/P2026080900578.htm
 
Ends/Monday, August 10, 2026​

DH investigates case of severe paediatric influenza A infection​

​The Centre for Health Protection (CHP) of the Department of Health is today (August 10) investigating a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves a 20-month-old boy with good past health. He developed a fever on August 7 and was taken to a private clinic on the following day (August 8). Since he presented with a convulsion in the clinic, he was taken immediately to the Accident and Emergency Department of Queen Elizabeth Hospital. Upon examination, he was found to have low blood pressure and was admitted to the hospital's paediatric intensive care unit. His respiratory specimen tested positive for influenza A virus. His clinical diagnosis was influenza A infection complicated with septic shock. He remains hospitalised and is in critical condition.

The CHP's preliminary investigation revealed that the boy had not received the seasonal influenza vaccination during the previous season (2025/26) and had no travel history during the incubation period. One of his household contacts recently developed upper respiratory symptoms and tested positive for influenza virus via a rapid antigen test. However, the household contact's condition was mild and did not require hospitalisation. The household contact has since recovered. The CHP will continue to investigate the case.

"Since Hong Kong entered the influenza season in late June, a cumulative total of seven cases of severe paediatric influenza infection have been recorded, including this case. One of them passed away unfortunately. We expect the level of influenza activity to remain high in the coming weeks. Members of the public are advised to maintain good personal and environmental hygiene at all times for personal protection against influenza infection. The latest surveillance data showed that the influenza activity is at a high level currently. The percentage of respiratory specimens testing positive for seasonal influenza viruses was 9.94 per cent and the influenza admission rate in public hospitals was 0.73 cases per 10 000 population last week. The predominant influenza viruses detected were influenza A (H3) and influenza A (H1), each accounting for 45 per cent. The rest were influenza B (10 per cent). These virus strains are similar to those circulating elsewhere in the world. Among them, the influenza A (H3) virus belongs to the K subclade, which has been circulating globally since last August. There is no evidence that it causes a more severe illness," said the Controller of the CHP, Dr Edwin Tsui.​

continued: https://www.info.gov.hk/gia/general/202608/10/P2026081000668.htm
 
Ends/Tuesday, August 11, 2026​
DH investigates case of severe paediatric influenza A infection​

​The Centre for Health Protection (CHP) of the Department of Health is today (August 11) investigating a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves an 18-month-old boy with good past health. He developed a fever, runny nose and cough on August 8 and was taken to a private clinic on the following day (August 9). He developed convulsion at home subsequently on the same day, and was taken immediately to the Accident and Emergency Department of Queen Elizabeth Hospital. Upon examination, he was found to be drowsy with low blood pressure, and was admitted to the hospital's paediatric intensive care unit. His respiratory specimen tested positive for influenza A virus. His clinical diagnosis was influenza A infection complicated with encephalopathy and septic shock. He remains hospitalised in serious condition.

The CHP's preliminary investigation revealed that the boy had not received the seasonal influenza vaccination during the previous season (2025/26) and had no travel history during the incubation period. One of his household contacts recently developed a mild fever and upper respiratory symptoms. The household contact's condition was mild and required no hospitalisation. The household contact has since recovered. The CHP will continue to investigate the case.

"Since Hong Kong entered the influenza season in late June, a cumulative total of eight cases of severe paediatric influenza infection have been recorded, including this case. One of them passed away, unfortunately. We expect the level of influenza activity to remain high in the coming weeks. Members of the public are advised to maintain good personal and environmental hygiene at all times for personal protection against influenza infection. The latest surveillance data showed that the influenza activity is at a high level currently. The percentage of respiratory specimens testing positive for seasonal influenza viruses was 9.94 per cent and the influenza admission rate in public hospitals was 0.73 cases per 10 000 population last week. The predominant influenza viruses detected were influenza A (H3) and influenza A (H1), each accounting for 45 per cent. The rest were influenza B (10 per cent). These virus strains are similar to those circulating elsewhere in the world. Among them, the influenza A (H3) virus belongs to the K subclade, which has been circulating globally since last August. There is no evidence that it causes a more severe illness," said the Controller of the CHP, Dr Edwin Tsui.

"The World Health Organization has earlier announced its recommendations for the composition of influenza vaccines for the 2026/27 season in the northern hemisphere. Vaccine manufacturers are currently producing vaccines in accordance with the recommendations for use by the end of the year. The Government has completed the procurement process for the 2026/27 Seasonal Influenza Vaccination Programmes and is actively preparing various vaccination arrangements. I urge all schools and parents in Hong Kong to work closely with the CHP and actively participate in next season's Seasonal Influenza Vaccination School Outreach Programme," he added.

Dr Tsui also reminded parents that the health condition of children with influenza can deteriorate rapidly. Parents must pay close attention to their condition, and visit an accident and emergency department immediately if the child's condition deteriorates with symptoms such as shortness of breath, wheezing, blue lips, chest pain, confusion, a persistent fever or convulsions. Members of the public should seek medical attention as soon as possible if they develop respiratory symptoms. If they live with members of high-risk groups, such as children, the elderly and those with underlying illnesses or compromised immune systems, they should wear a surgical mask at home to reduce the risk of infecting them. Other effective ways to reduce the spread of the disease include maintaining household hygiene, frequently cleaning and disinfecting frequently touched surfaces, practising good hand hygiene, and ensuring proper indoor air circulation.

Members of the public may refer to the CHP's COVID-19 & Flu Express, Seasonal Influenza Webpage and COVID-19 Vaccination Programme Webpage, for the latest information.​

https://www.info.gov.hk/gia/general/202608/11/P2026081100610.htm
 
Ends/Wednesday, August 12, 2026​

CHP records another case of severe paediatric influenza A infection​

The Centre for Health Protection (CHP) of the Department of Health today (August 12) recorded another severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves a 17-month-old girl with good past health. She developed a fever and cough on August 9 and was taken to a private clinic on the following day (August 10). Later that same day, her condition deteriorated and she developed shortness of breath. She was taken to the Accident and Emergency Department of Queen Elizabeth Hospital. Due to her respiratory distress and low blood pressure, she was admitted to the hospital's paediatric intensive care unit. Her respiratory specimen tested positive for influenza A virus. Her clinical diagnosis was influenza A infection complicated with severe pneumonia and septic shock. She remains hospitalised in critical condition.

The CHP's preliminary investigation revealed that the girl had not received the seasonal influenza vaccination during the previous season (2025/26). Her household contacts remain asymptomatic. The CHP will continue to investigate the case.

"Since Hong Kong entered the influenza season in late June, a cumulative total of nine cases of severe paediatric influenza infection have been recorded. Apart from one fatal case, three patients have recovered and been discharged, one remains in stable condition, two are in serious condition, and two are in critical condition (including the case mentioned above). Surveillance data shows that the level of influenza activity is currently on the rise, with a high level of influenza transmission in the community. As the number of infections is expected to rise, the number of severe cases will subsequently increase. In general, the situation in the current influenza season is comparable to that of previous influenza seasons, and the disease primarily affects the elderly and children. The predominant influenza viruses detected in Hong Kong are influenza A (H1) and influenza A (H3). The Public Health Laboratory Services Branch under the CHP has conducted viral genetic analyses of influenza cases, and confirmed that the predominant influenza virus strains are similar to those circulating in other regions of the world, with no significant genetic mutations detected so far. These strains would not cause a more severe illness or resistance to antiviral drugs," said the Controller of the CHP, Dr Edwin Tsui.
​
continued: https://www.info.gov.hk/gia/general/202608/12/P2026081200665.htm
 
Ends/Tuesday, August 18, 2026​
CHP records case of severe paediatric influenza A infection​

​The Centre for Health Protection (CHP) of the Department of Health today (August 18) recorded a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves a 16-year-old girl with underlying illnesses. She developed a fever on August 15. She presented with shortness of breath and was taken to the Accident and Emergency Department of Tseung Kwan O Hospital today. Due to her respiratory distress and low blood pressure, she was transferred to the United Christian Hospital's paediatric intensive care unit for treatment. Her respiratory specimen tested positive for influenza A (H3) virus. Her clinical diagnosis was influenza A complicated with severe pneumonia and septic shock. She is currently in critical condition.

The CHP's preliminary investigation revealed that the girl had no travel history during the incubation period and her household contacts remain asymptomatic. The CHP will continue to investigate the case.​

"Since Hong Kong entered the influenza season in late June, a cumulative total of 10 cases of severe paediatric influenza infection have been recorded, including one fatal case. Four patients have recovered and been discharged from hospital. Three patients are in stable condition, while two remain critical (including forementioned case).​

Continued: https://www.info.gov.hk/gia/general/202608/18/P2026081800740.htm
 
Ends/Friday, August 21, 2026​
CHP records case of severe paediatric influenza A infection​

The Centre for Health Protection (CHP) of the Department of Health today (August 21) recorded a severe paediatric influenza A infection case. The CHP urged the public to maintain good personal and environmental hygiene at all times to prevent influenza and other respiratory illnesses.

The case involves an 11-year-old boy with underlying illnesses. He developed a fever and cough since August 16, followed by shortness of breath the next day. He attended the Accident and Emergency Department of Kwong Wah Hospital (KWH) and was admitted for treatment. His respiratory specimen tested positive for influenza A (H3) virus. His clinical diagnosis was influenza A infection complicated with severe pneumonia and myocarditis. The patient remains hospitalised in the paediatric intensive care unit at KWH and is in serious condition.

The CHP's preliminary investigation revealed that the boy had no travel history during the incubation period. One of his household contacts, who was recently hospitalised for fever and upper respiratory symptoms, also tested positive for influenza A (H3) virus. This household contact has recovered and been discharged. The CHP will continue to investigate the case.​

"Since Hong Kong entered the influenza season in late June, a total of 11 cases of severe paediatric influenza infection have been recorded. Among these cases, six patients have recovered and been discharged from hospital, one patient is in stable condition, one is in serious condition (the aforementioned case), two are in critical condition and one has passed away. We anticipate that activity levels for influenza will remain at a relatively high level in the coming weeks. Owing to continued influenza transmission in the community, the number of infections will rise, and the number of severe cases will increase accordingly. In general, the situation in the current influenza season is comparable to that of previous influenza seasons, and the disease primarily affects the elderly and children. The predominant influenza viruses detected in Hong Kong are influenza A (H1), followed by influenza A (H3). The Public Health Laboratory Services Branch under the CHP has conducted viral genetic analyses of influenza cases and confirmed that the predominant influenza virus strains are similar to those circulating in other regions of the world, with no evidence of causing a more severe illness or resistance to antiviral drugs so far," said the Controller of the CHP, Dr Edwin Tsui.​

Continued: https://www.info.gov.hk/gia/general/202608/21/P2026082100713.htm
 
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