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China - Human cases: Strain of COVID-19 coronavirus in Tianjin is " highly similar to the strains circulating in North America from March to June, and belonged to the L-genotype European family branch II" - November 7, 2020+ - frozen imports blamed
Tianjin announced the results of virus genome sequencing of confirmed cases, which are highly similar to those circulating in North America
2020-11-10 07:03:03
According to the official blog issued by Tianjin, on November 8, the Tianjin CDC smeared samples of the 138th local confirmed case in the city’s respiratory tract and related cold storage environments, and conducted high-throughput sequencing and sequence analysis of the new coronavirus whole genome. Sequencing analysis results on the 9th showed that it was highly similar to the strains circulating in North America from March to June, and belonged to the L-genotype European family branch II (North American branch).
It is significant that this strain has spread. Reference Italy & New York, for instance. L-genotype is much harder to control than the original S strain in China.
A case of asymptomatic infection in Tianjin is associated with 3 positive nucleic acids, details announced
2020-11-18 20:50
Beijing News Express According to Health Tianjin WeChat public account, on November 18, at the 153rd Tianjin New Coronavirus Pneumonia Epidemic Prevention and Control Press Conference, Deputy Director of Tianjin Municipal Health Commission and Director of Municipal Center for Disease Control and Prevention Gu Qing introduced the latest local epidemic situation in Tianjin.
He introduced that on November 10, Tianjin City found the third case of asymptomatic infection of Wang Moumou among the personnel required to conduct inspections in Dongjiang Port District, and his close contacts, residents of the same building and key related buildings Related personnel have implemented centralized isolation medical observation. In accordance with Tianjin's strengthened measures for epidemic prevention and control, samples were collected on the 7th day of isolation for nucleic acid testing and serological antibody testing. As of 15:20 on November 18th, Tianjin City has found 3 cases of new coronavirus nucleic acid test positive among its related centralized quarantine medical observation personnel. After comprehensive research and judgment by the city-level expert group, 1 confirmed case was confirmed as asymptomatic. 2 cases were infected. Wang Moumou and these 3 newly infected patients all live in the same building in Kanhaixuan Community, Dongjiang Port District, Tianjin. The relevant situation is hereby notified:
About the basic profile of 3 newly infected patients
Infected person 1, Gong Moumou, male, 37 years old, current address: Kanhaixuan Community, Dongjiang Port District, Tianjin, employee of Tianjin Nuowang Labor Service Co., Ltd., occupation as a porter in Yangbei Logistics Park (building materials market), local Roommates and coworkers of asymptomatic infection in the third case. Centralized quarantine medical observation was implemented on November 10, and the nucleic acid test and serological antibody test results were negative on that day; in accordance with Tianjin’s enhanced epidemic prevention and control measures, the nucleic acid test was carried out again on November 17, and the result was positive. The fourth case of asymptomatic infection of the new coronavirus in Tianjin.
Infected person 2, Wang Moumou, male, 40 years old, current address: Kanhaixuan Community, Dongjiang Port District, Tianjin, employee of Tianjin Nuowang Labor Service Co., Ltd., occupation as porter in Yangbei Logistics Park (building materials market), local The third case of asymptomatic infection was a roommate and worker. Centralized quarantine medical observation was implemented on November 10, and the nucleic acid test and serological antibody test results were negative on that day; in accordance with Tianjin’s enhanced epidemic prevention and control measures, the nucleic acid test was carried out again on November 17, and the result was positive. The 140th confirmed case (common type) of new coronary pneumonia in Tianjin.
Infected person 3, Kang Moumou, female, 33 years old, current address: Kanhaixuan District, Dongjiang Port District, Tianjin, employee of Zhongrun Haobo Automobile Sales Service Co., Ltd., is the third case of asymptomatic infection in the same building in the local area. He shared an elevator with him. Kang Moumou lived with his younger brother and younger siblings. All three of them underwent centralized isolation medical observation on November 10, and the nucleic acid test results were all negative on that day; in accordance with Tianjin’s enhanced epidemic prevention and control measures, on November 18, the preliminary inspection and municipal The CDC rechecked that Kang's test result was positive, and he was determined to be the fifth asymptomatic case of new coronavirus infection in Tianjin; the nucleic acid test results of his younger brothers and younger siblings are all negative.
Regarding the work carried out in Tianjin
In order to strictly prevent the spread of the epidemic, in accordance with the arrangements of the municipal party committee and the municipal government, the municipal prevention and control headquarters quickly organized the district prevention and control headquarters and the urban disease prevention and control agencies to carry out epidemic investigation and disposal.
Comprehensive investigation and increase the frequency of nucleic acid testing. The Municipal Center for Disease Control and Prevention intervened in the early stage to guide the area to carry out epidemiological investigations, trace the source of infection, and other work, focusing on the two aspects of people and things to trace the root cause, cast a large net, weave a dense net, so as not to miss one person or anything. According to the clues of the investigation, comprehensive nucleic acid testing was carried out for the population that may be affected, especially after the third case of asymptomatic infection of Wang Moumou in the local area and the residents of the same building have been infected with the new crown virus. The frequency of nucleic acid testing and serological antibody testing for related personnel, nucleic acid testing every 48 hours, and serological antibody testing every 72 hours, to detect virus-infected persons in time and do emergency response work. Timely conduct high-throughput sequencing and sequence analysis of the whole genome of the new coronavirus on samples of nucleic acid-positive persons and positive samples from the epidemic-related environment, and further scientifically guide the traceability of the virus, providing scientific basis and clues for determining the chain of epidemic transmission.
Scientific research and judgment, precise and rapid isolation and control. After Tianjin confirmed the third case of asymptomatic infection in the local area, it quickly carried out terminal disinfection of the working and living premises of the case, followed up the residents of the same building and key related buildings, and all the staff of Yangbei Logistics Park for centralized medical observation. . At present, all newly infected persons are medical observation personnel in centralized isolation. After Kang XX, a related person in the same building, tested positive today, Tianjin quickly launched an epidemiological investigation, implemented classified management and control of relevant personnel, and immediately arranged for nucleic acid testing and serological antibody testing. One is to work on Kang XX. All personnel of the unit are subject to centralized isolation medical observation; the second is to conduct centralized isolation medical observation on all the people who eat and shop in the canteen opened by Kang XX's younger brothers and sisters in their work units; the third is to conduct centralized isolation medical observation on all personnel in the courtyard of Kang XX's work unit Enclosure and control, prohibit entry and exit of personnel, evaluate and take corresponding measures based on the test results.
Dynamic assessment and adjustment of the risk level of the affected area. As of November 18, among the third case of asymptomatic infection in Tianjin, Wang XX has been found in the relevant centralized isolation medical observation group, 1 case of confirmed new coronary pneumonia and 2 cases of local asymptomatic infection have been found, all living in East Tianjin The same building in Kanhaixuan Community in Xinjiang Port District. According to the development situation of this epidemic and the needs of epidemic prevention and control work, in accordance with the requirements of the State Council's joint prevention and control mechanism for the new crown pneumonia epidemic on scientific division, precise prevention and control, etc., it has been researched and judged by the municipal prevention and control headquarters and approved by the municipal prevention and control leading group From 24:00 on November 18, 2020, the Kanhaixuan community in Dongjiang Port District, Tianjin will be designated as a medium-risk area and corresponding control measures will be implemented. The risk levels of other areas in Tianjin remain unchanged.
Up to now, 5476 nucleic acid samples have been collected in this epidemic. Except for 3 cases of asymptomatic infections and 1 confirmed case, the other samples are all negative. A total of 1,674 people were under the management of this epidemic, 1,578 people were under centralized isolation medical observation, and 96 people were under home medical observation.
Here, we remind residents to strictly abide by 8 key measures for self-protection:
1. Wear masks scientifically, take public transportation, elevators and other confined spaces, wear masks in crowded places, and pay attention to keeping a social safety distance of at least 1 meter with others.
2. Wash hands frequently, wash hands with soap or hand sanitizer and running water, or disinfect with hand sanitizer. Do not touch your mouth, eyes, or nose before cleaning your hands.
3. Cover coughs and sneezes with elbows or paper towels, develop good hygiene habits, do not spit on the ground, wrap the mouth and nose secretions with paper towels and put them in the trash.
4. The rooms and offices should be well ventilated. Before using air conditioners in winter, they should be cleaned and disinfected if necessary, and a certain amount of air flow and natural ventilation should be maintained.
5. Go to regular supermarkets or markets to buy fresh products, wear disposable gloves when choosing frozen fresh foods, avoid direct contact with your hands, and wear masks.
6. Stop going to work and school with illness. If you go to the hospital due to fever or respiratory symptoms, you must wear a mask correctly and do not take public transportation. People who have had close contact with patients with fever and respiratory infections recently, try not to take public transportation.
7. When taking public transportation, try to choose non-contact methods such as swiping cards and scanning codes to recharge and purchase tickets. Follow the epidemic prevention regulations of public transportation, subway and other departments, such as wearing masks and taking body temperature.
8. People in the middle-risk areas do not need to leave Tianjin. If they must leave Tianjin, they must carry a nucleic acid test certificate within 7 days to ensure smooth travel in other provinces and cities. Persons who are ill and cannot be diagnosed and treated within their jurisdiction, or persons in medium-risk areas who must move across regions due to circumstances such as going to school or work, must carry a nucleic acid test certificate within 7 days.
In order to protect the health of the residents, nucleic acid testing was carried out for all personnel in the medium-risk areas. The masses in the middle-risk areas are requested to actively cooperate with the health investigation and nucleic acid testing of the neighborhood and community organizations. At the same time, comply with various management regulations.
At the press conference, a reporter asked questions. Now imported cold chain foods have been tested for the new coronavirus, and at the same time, people have been infected with the new coronavirus. In the face of the current epidemic situation in autumn and winter, how can we better prevent and control groups from the perspective Control the epidemic?
Gu Qing introduced that what I want to reiterate here is to fully implement the "four-party responsibilities" of territories, departments, units, and individuals, and mobilize all social forces to participate in epidemic prevention and control. The main emphasis here is on "personal responsibility", which is embodied in two aspects: First, the masses must protect themselves. In an attitude of being responsible for the health of yourself and others, you must wear a mask when going out and entering public places. Take the lead in practicing a healthy lifestyle and act together to control the epidemic. The second is to obey the management measures, follow the requirements of street and community managers, actively cooperate with temperature measurement, light code, and actively assume personal responsibility for disease prevention. If there is a health problem, seek medical attention in time. It is necessary to truthfully explain to doctors and epidemiological investigators the trajectory of their activities. When accepting nucleic acid screening, follow the arrangements of the organizer.
Another outbreak in a district in Tianjin, municipal party committee secretary Li Hongzhong and mayor Liao Guoxun went to the closure site overnight
2020-11-20 08:33
From 2 o'clock on November 20, 2020, the Kanhaixuan community in Dongjiang Port District, Tianjin has been designated as a high-risk area.
According to the "Tianjin Daily" report, at 2:5 in the morning on November 20, the reporter learned from the Municipal Center for Disease Control and Prevention that the four people who had been reported to have tested positive for nucleic acid in Kanhaixuan District, Dongjiang Port District, Tianjin were all diagnosed with local COVID-19. A confirmed case of pneumonia.
After 4 people were transferred to designated hospitals in the city, based on nucleic acid test results, clinical manifestations, blood tests and CT examination results, the city-level expert group made comprehensive research and judgment and determined that Shen was the 141st confirmed case of new coronary pneumonia in our city ( Ordinary type), confirm Yang XX as the 142nd confirmed case of new coronary pneumonia in our city (ordinary type) and Du XX (Wife of Yang XX) as the 143rd confirmed case of new coronary pneumonia in our city (Ordinary type) , Identified Yang (son of Yang) as the 144th confirmed case of new coronary pneumonia (common type) in our city.
In addition, according to the official Weibo news of the Tianjin Binhai New District Government, according to the current situation of the epidemic in Tianjin and the needs of prevention and control work, in accordance with the requirements of the State Council’s joint prevention and control mechanism for the new crown pneumonia epidemic, scientific division, precise prevention and control, etc., approved by the Municipal Prevention and Control Command After studying and judging, and with the approval of the Municipal Prevention and Control Leading Group, starting at 2 o'clock on November 20, 2020, Kanhaixuan District, Dongjiang Port District, Tianjin will be designated a high-risk area. The risk levels of other areas in Tianjin remain unchanged.
On the night of November 19, after receiving the relevant epidemic report from the Kanhaixuan community in Dongjiang Port District, Tianjin Municipal Party Committee Secretary Li Hongzhong, and Municipal Party Committee Deputy Secretary and Mayor Liao Guoxun rushed to the community’s enclosure control site for investigation and inspection as soon as possible to study and deploy epidemic prevention. Control work.
At 10 o'clock in the evening, Li Hongzhong and Liao Guoxun drove to the closure and control site of Kanhaixuan District to learn more about the closed community management, patient medical diagnosis and treatment, epidemiological investigation, and the source of the epidemic. Subsequently, Li Hongzhong presided over a meeting at the temporary epidemic prevention and control headquarters near the community, and conducted research discussions with responsible comrades in the Binhai New Area, the Municipal Health Commission, and the Municipal Center for Disease Control, and put forward clear requirements for the next epidemic prevention and control work.
Li Hongzhong and Liao Guoxun emphasized that we must attach great importance to the current epidemic situation in our city, adhere to bottom-line thinking, remain vigilant, adopt more resolute and decisive prevention and control measures, and strictly do the work of "foreign defense import and internal defense rebound" to resolutely prevent the epidemic Spread. It is necessary to further improve the level of sealing control, expand the scope of sealing control, implement overall sealing control of Kanhaixuan community and surrounding areas, conduct sealing control treatment of kindergartens and enterprises associated with key personnel, and conduct sealing control management of TEDA Hospital. All contacts and close contacts shall be isolated and observed, and relevant environmental sampling and testing and sanitation and disinfection work shall be strengthened. Further intensify flow traceability, improve nucleic acid detection, investigation and monitoring capabilities, expand the tracking range of close contact personnel, never miss any details and clues, achieve early detection, early reporting, early isolation, and early treatment, and improve the accuracy of epidemic prevention and control Sex. Further improve the management of imported cold-chain food workers, adhere to the same defense of people and things, ensure that there are no dead ends, no blind spots, and resolutely take a firm look at the prevention and control network. In view of the new characteristics of the epidemic situation, we must further formulate targeted emergency management plans, consolidate territorial responsibilities, mobilize resources, strengthen emergency response, and effectively implement various prevention and control measures.
According to previous reports, on the evening of the 19th, the 4 persons mentioned above tested positive for nucleic acid and have been transferred to designated hospitals for further diagnosis. The specific conditions are:
Infected person 1: Yang Moumou, male, 61 years old, living in Dongjiang Port District, Tianjin Building 19, Haixuan Community. He reports that he spends most of his daily activities at home and in the community, and dines with his family. On November 10, the nucleic acid test result was negative. On November 15th, I drove to Luannan County, Tangshan City, Hebei Province to buy medicine and dine with friends. He returned home on November 16 and drove his granddaughter home, wearing a mask. On November 17, I drove to TEDA Hospital to accompany his son Yang to see a doctor, wearing a mask throughout. On the morning of November 18, after driving her granddaughter to kindergarten, she did not go out. On November 18, the Kanhaixuan community in Dongjiang Port District of Tianjin was adjusted to a medium-risk area. In accordance with the strengthening measures of Tianjin's epidemic prevention and control, the residents of the community were again subjected to nucleic acid testing and serological antibody testing. On November 19, the nucleic acid test result was positive, and the serological antibody test result was negative.
Infected person 2: Du Moumou, female, 59 years old, currently living in Building 19, Kanhaixuan Community, Dongjiang Port District, Tianjin, the wife of Yang Moumou (infected person 1), retired at home, living with Yang Moumou and granddaughter , Take a private car to take the granddaughter to and from kindergarten daily, wear a mask throughout. On November 10, his nucleic acid test result was negative. On November 18, the Kanhaixuan community in Dongjiang Port District of Tianjin was adjusted to a medium-risk area. In accordance with the strengthening measures of Tianjin's epidemic prevention and control, the residents of the community were again subjected to nucleic acid testing and serological antibody testing. On November 19, the nucleic acid test result was positive, and the serological antibody test result was negative.
Yang's granddaughter is a student in the first class of the kindergarten of Yale University of Science and Technology in Binhai New Area. The current nucleic acid test result is negative and she has no fever or cough.
Infected person 3: Shen, male, 22 years old, working unit is located in Building 19, Kanhaixuan Community, Dongjiang Port District, Tianjin. He is a garden manager and lives in the staff dormitory of a community in Shaanxi Road, Binhai New District. On November 10, his nucleic acid test result was negative. On November 12, she had fever and was accompanied by fatigue. He took the anti-fever medicine by himself, but the fever went down the next day and did not go to the doctor. On November 18, the Kanhaixuan community in Dongjiang Port District of Tianjin was adjusted to a medium-risk area. In accordance with the strengthening measures of Tianjin's epidemic prevention and control, the residents of the community were again subjected to nucleic acid testing and serological antibody testing. On November 19, the nucleic acid test result was positive, and the serological antibody test result was negative.
Infected person 4: Yang, male, 35 years old, currently living in Building 19, Kanhaixuan Community, Dongjiang Port District, Tianjin. He is the son of Yang and lives with his wife Zhao, and lives opposite his parents. On November 10, his nucleic acid test result was negative. On November 15th and 16th, Yang went to the emergency department of Tianjin TEDA Hospital for intermittent urinary infection. His temperature was normal at the time of admission. He passed the pre-examination and triage with the negative nucleic acid certificate, and was treated with infusion in the emergency department. On November 17th, he went to Tianjin TEDA Hospital again. He reported that he had respiratory symptoms. He was transferred from the Urology Clinic to the Respiratory Medicine Clinic and was treated in a single room in the respiratory ward. On November 19, after consultation with experts, the hospital conducted a nucleic acid test again, and the result was positive. Currently, his wife's nucleic acid test result is negative.
Tianjin TEDA Hospital directly attacks the status quo of prevention and control around the hospital due to the epidemic situation
2020-11-20 11:37
According to the Tianjin Center for Disease Control and Prevention, on the evening of November 19, four people from the Kanhaixuan community in Dongjiang Port District tested positive for nucleic acid and have been transferred to designated hospitals for further diagnosis. On November 10, after the nucleic acid test of the third native asymptomatic infected person in Tianjin (living in Kanhaixuan community) was positive, all four infected persons had a nucleic acid test and the results were all negative. At present, the community and the TEDA Hospital related to the case have been sealed off. A special correspondent of the Beijing News visited the current situation of prevention and control in Tianjin TEDA Hospital.
There have been 10 cases of local infection in Tianjin, and many places are conducting emergency investigations for close connections
2020-11-22 14:51 Reporter: Sha Xueliang Editor: Pei Jianfei and Bai Shuang
As of 18:00 yesterday, the "Bincheng Screen" of Tianjin Binhai New Area had completed nucleic acid testing and sampling of 1.032 million people, and opened 2282 sampling points.
About two weeks after the new crown virus was detected in the outer packaging of frozen food imported from Tianjin in Shandong and Shanxi, on November 20, the Tianjin Municipal Health Commission announced in two batches that five local people had been diagnosed with new crown pneumonia. So far, since the emergence of this round of the epidemic, there have been 10 local infections in Tianjin (including 8 confirmed cases and 2 asymptomatic infections), and 8 confirmed cases are in Binhai New Area.
Among the 5 newly diagnosed patients, 4 live in Kanhaixuan Community, Dongjiang Port District, Binhai New Area. So far, 5 people have been diagnosed in this community and 3 are positive. People exposed to hairtail with positive nucleic acid test in Xinhuiyang Cold Storage in Li District were in close contact.
Binhai New Area is conducting nucleic acid tests on all the population of about 2.6 million in the district. According to the official micro-message released by Binhai, as of 18:00 yesterday, the "Bincheng Screen" in Tianjin Binhai New Area had completed nucleic acid testing and sampling of 1.032 million people, and opened 2,282 sampling points.
In addition, the reporter noticed that because some Tianjin cases and asymptomatic infections had been to other provinces before being diagnosed again, many places, including Caofeidian, Hebei and Ningbo, Zhejiang, were urgently looking for close contacts.
5 people in a district in Tianjin were diagnosed with 3 positive
Virus found in Shandong, Tianjin initiated back investigation
Looking back, the virus first appeared in Dezhou, Shandong.
On November 7th, in the routine random inspection of imported cold-chain foods in Decheng District, Dezhou City, it was found that a sample of imported frozen pork products sold in Tianjin on November 6th tested positive for the new coronavirus nucleic acid.
The local Dezhou immediately notified Tianjin of the information, and Tianjin immediately sealed and controlled the Hailian cold storage in the Sino-Singapore Eco-city in Binhai New Area. After investigation, the door handle of Hailian cold storage was positive for viral nucleic acid. The reporter found that since November 8th, 7 people have been diagnosed with the cold storage of Sino-Singapore Eco-city Hailian in Binhai New Area.
The first confirmed case in Tianjin in this round of the epidemic was a cold storage porter
On November 8, Chen Moumou, a cold storage handler, was tested positive for nucleic acid. This worker was diagnosed with new coronary pneumonia after detecting ground-glass shadows and consolidation in the upper lobes of the lungs, the middle lobes of the right lungs, and the lower lobes of the lungs. He was involved in frozen food handling on November 4.
On November 10, 48-year-old Wang Moumou, a porter of Tianjin Hailian Frozen Food Co., Ltd., tested positive for nucleic acid and was later determined to be an asymptomatic infected person. He lives in Building 4, Kanhaixuan Community, Dongjiang Port District, Binhai New Area.
On November 11, Zhang Moumou, a truck driver who had been to Hailian Refrigerator to pull goods, was diagnosed with new coronary pneumonia.
A neighbor of an asymptomatic infected person also tested positive for nucleic acid
At 23:00 on November 17, a 40-year-old porter was diagnosed as a worker and roommate of Wang Moumou, the aforementioned asymptomatic infection.
At noon on November 18, a 33-year-old woman Kang Moumou who was living in the same building as the aforementioned asymptomatic infected person, Wang Moumou, was undergoing quarantine medical observation, and the nucleic acid test result was positive. She is an employee of a car sales company.
On November 18, the Kanhaixuan community in Dongjiang Port District was adjusted to a medium-risk area. In accordance with the strengthening measures for the prevention and control of the epidemic in Tianjin, the residents of the community were again subjected to nucleic acid testing and serological antibody testing.
4 more diagnosed Tianjin first community upgraded to high risk
On the evening of November 19, another 4 people in Kanhaixuan District, Dongjiang Port District, tested positive for nucleic acid, all in Building 19. Among them, a 61-year-old man, Yang, and a 59-year-old woman, Du, are husband and wife, and his son, Yang, lives in the opposite door; a 22-year-old garden manager, Shen, works in Building 19, Kanhaixuan Community.
At 2:05 in the morning on November 20, four residents of Kanhaixuan Community in Dongjiang Port District of Tianjin were diagnosed with confirmed cases of local new coronary pneumonia. Almost at the same time, Kanhaixuan community was designated as a high-risk area for the epidemic.
At 2:5 in the morning on November 21, the above four persons were all diagnosed with confirmed cases of local new coronary pneumonia.
Up to now, Kanhaixuan community has found 5 confirmed cases of local new coronary pneumonia and 3 local asymptomatic infections. It is understood that there are a total of more than 1,900 residents in Kanhaixuan Community, all of whom have been quarantined, except for those who are positive in hospital.
The positive transmission chain of Xinhuiyang cold storage in Dongli District is extended
The reporter noticed that the confirmed cases and asymptomatic infections in Tianjin in the past few days are all related to the Kanhaixuan community in Dongjiang Port District, while another new confirmed case on November 20 is related to Dongli District, Tianjin. Xinhuiyang cold storage related.
According to the Tianjin Municipal Health Commission, at about 17:00 on November 20, the Binhai New Area Disease Control Department notified that one person in quarantine was tested positive for nucleic acid and was determined to be the 145th confirmed case of new coronary pneumonia in Tianjin on the same day. (normal type).
The case Yang Moumou, male, 52 years old, currently lives in Gulin Street, Binhai New District, Tianjin, and works in a unit located in Nangang Industrial Zone, Binhai New District. He is a close contact of a person exposed to a positive hairtail in Dongli Xinhuiyang Cold Storage.
On November 10, Yang Moumou took the initiative to conduct isolation and observation after receiving the notice, and the initial nucleic acid test result was negative. On the 19th, a second sampling was conducted at the isolation point, and the nucleic acid test result was positive.
The 145th case confirmed yesterday in Tianjin City has extended the transmission chain that has been silent for more than 10 days. The reporter found that the investigation of Xinhuiyang cold storage in Dongli District was initiated by a report from Taiyuan, Shanxi.
On November 7, Taiyuan City found in a sample test of imported cold-chain food that a sample of an Indian-made frozen hairtail sold to the city from Tianjin Port tested positive for new coronavirus nucleic acid. After Taiyuan notified Tianjin of the information, Tianjin immediately began to seal and investigate the Xinhuiyang cold storage in Dongli District.
Two days later, the Tianjin Municipal Health Commission reported that the Dongli District Center for Disease Control and Prevention in the district’s Xinhuiyang cold storage and related samples and personnel found a nucleic acid test positive for one imported hairtail package sample. As of that time, the imported frozen foods involved in the Xinhuiyang Cold Storage in Dongli District had not spread to people. Relevant exposed personnel are intensively isolated for medical observation, personnel and cold-chain food, environmental sampling, nucleic acid testing, and terminal disinfection are still in strict progress.
Nucleic acid test for all 2.6 million people in Binhai New Area
At 10 o'clock on November 21, in the factory area of a company in the Tianjin Port Free Trade Zone, more than ten sites were set up to conduct nucleic acid tests on more than 6,000 employees in more than 50 companies in the surrounding area.
As of 18:00 yesterday, 1.032 million people have been sampled
According to the news released by the Tianjin Municipal Health Commission yesterday, the nucleic acid test called "Bincheng Screening" will start on the morning of November 21. It is planned to use 2-3 days to conduct 2.6 million residents in Binhai New Area. The cost of large-scale nucleic acid testing and screening shall be borne by the district finance.
According to the Binhai Times, the official newspaper of Tianjin's Binhai New Area, on the afternoon of November 20, the Binhai New Area held a mobilization meeting for a large-scale epidemic prevention screening deployment. Related reports revealed that 15 other districts in Tianjin urgently merged to the new district to provide support.
According to the official micro-message released by Binhai, as of 18:00 yesterday, the "Bincheng Screen" in Tianjin Binhai New Area had completed nucleic acid testing and sampling of 1.032 million people, and opened 2,282 sampling points.
Gene sequencing results belong to the European family branch
From November 18th to 21st, the Tianjin Center for Disease Control and Prevention performed the respiratory tract specimens of the fifth asymptomatic infection of Kang, the 141st confirmed case, and the 144th confirmed case of Yang. Whole genome high-throughput sequencing and sequence analysis. The results of sequencing analysis on November 21 showed that they were consistent with the virus sequence of Wang Moumou, the third asymptomatic infection in Tianjin, and belonged to the L genotype European family branch I.
Urgently search for contacts of Tianjin cases
The reporter noticed that, after the current round of Tianjin appeared, many places have begun to look for contacts based on the trajectories of these confirmed cases and asymptomatic infected persons.
Caofeidian gas station staff had contact with asymptomatic infection in Tianjin
According to the news on the WeChat public account of "Palm Caofeidian" on November 21: According to Fengnan CDC, residents in Nanpu Development Zone had contact with a nucleic acid-positive person in Kanhaixuan Community, Dongjiang Port District, Tianjin.
Chen XX, female, employee of Jinghua Yufeng Gas Station, Heiyanzi Town, Fengnan District. On November 16th, Tianjin nucleic acid-positive personnel returned to Binhai New Area from Luannan County, got off the expressway of Nanpu Development Zone and then returned to Tianjin via coastal road, and entered Jinghua Yufeng, Heiyanzi Town, Fengnan District at 9:16. Refueling at the station. During the refueling period, Yang XX contacted Chen XX, a gas station staff member.
The disease control announcement also released Chen's activity track, urgently looking for relevant close contacts, asking him to have travels, conversations, etc., to report immediately, and stay at home and not go out.
On the 24th, Tianjin held the 155th press conference on the prevention and control of the novel coronavirus pneumonia epidemic. Zhang Ying, deputy director of the Tianjin Center for Disease Control and Prevention, introduced at the meeting that the source of infection in Tianjin Hailian cold storage was imported pig heads from North America. She also pointed out that there is no connection between the Hailian cold storage epidemic and Kanhaixuan community.
Why is there no connection between Tianjin Hailian Cold Storage and Kanhaixuan's epidemic? Zhang Ying, deputy director of the Tianjin CDC, cracked the virus contagion puzzle at a press conference on the evening of the 24th. She believes that Hailian Cold Storage is not related to the epidemic situation in Kanhaixuan District, and they are two independent cases.
Zhang Ying, deputy director of Tianjin CDC. Photo by China News Agency reporter Zhang Daozheng That night, at the 155th Tianjin New Coronavirus Pneumonia Epidemic Prevention and Control Press Conference in Tianjin, Zhang Ying pointed out that Hailian Cold Storage has been roughly sequenced and its virus gene belongs to the L genotype European family 2 branches, overlooking Haixuan. They belong to the 1 branch of the European family of L genotype. Their upper borders are the same, just like a family. They are two brothers and are two different branches. From the genetic sequencing, it can be judged that the two epidemics are completely unrelated. . In addition, the mode of transmission is also different. So far, there has been no further human-to-human transmission in Hailian Cold Storage, only from material to person. Kan Haixuan went from objects to people, and later other residents in the community were infected. This is also the difference between the two epidemics. Investigation of the cause of new coronavirus infection in Kanhaixuan District in Tianjin: The first case of infection had coughed and sneezed in the elevator Recently, eight people infected with the novel coronavirus pneumonia have appeared in the Kanhaixuan community of Dongjiang Port District, Tianjin. In response to this epidemic, at the 155th New Coronavirus Pneumonia Prevention and Control Work Press Conference held today in Tianjin, Tianjin Zhang Ying, deputy director of the CDC, announced the virus retrospective results of the community. After a video investigation, it was finally found that the first case of Wang who tested positive for the nucleic acid of the new crown virus did not wear a mask in the elevator, and coughed and sneezed, which eventually led to the spread of the virus in the community.
Two communication chains in Haixuan District
In Kanhaixuan Community, the epidemic was mainly concentrated in Building 4 and Building 19. Among them, Building 4 was the first building where Wang Mou, who was tested positive for the new coronavirus nucleic acid in Kanhaixuan Community, lived. 4 infected persons.
In addition, 4 infected persons also appeared in Building 19, which has nothing to do with the new coronavirus infection. Analysis of Infection Chain in Building 4 of Kanhaixuan Community
On November 9, the company of the infected person Wang organized him to carry out a nucleic acid test. In the morning, Wang first entered the elevator of Building 4. He did not wear a mask in the elevator and was still coughing inside. Less than two minutes after him, one minute and 55 seconds, Kang's family of three walked into the elevator. Coughing will produce droplets. The droplets will settle in the air for a long time, but the droplets will not settle for more than 1 minute. After such a short period of time, when a Kang family enters the elevator, there may be aerosols and The droplets that did not settle caused Kang's infection. The more critical detail here is that Kang did not wear a mask. If Kang was wearing a mask at that time, this situation might prevent him from being infected and the probability of infection would decrease. Unfortunately, Kang did not wear it when he entered the elevator. Of masks. The epidemiological connection between Kang and Wang is connected in series.
How is the communication between Building 4 and Building 19 related?
Through epidemiological investigations, it was found that there was a crossing of people in Building 9. In Building 9, there were co-workers of the infected person Wang in Building 4, and colleagues of Shen who worked in Building 19. Public security officers and disease control personnel have been awake for two consecutive nights, and finally found a clue: Wang Mou, the first infected person found in Building 4, went to visit him on the night of November 9, and he went to look for him in Building 9 colleague. Not only did he stop by, he also made small movements in the elevator, not only coughing, but also sneezing, without wearing a mask. On November 10, Shen took the elevator to the 9th building to find his colleague, and then returned to the 19th building. On the afternoon of the 10th, Shen's colleague who lived in the 9th building had dinner in the 19th building. According to testing, the sample of the elevator surface in Building 9 tested positive for the new coronavirus nucleic acid, and it was positive at multiple points.
Analysis of Infection Chain in Building 19 of Kanhaixuan Community
Shen’s colleague who lives in Building 9 travels back and forth between Building 19 and Building 10. Because this is Shen’s boss, and his company is located in Building 19, it is likely that his hands may be contaminated or otherwise. The pollution mechanically brought the virus to Building 19, and at the same time, Shen himself kept going back and forth between Building 9 and Building 19.
This epidemic has brought us great inspiration. We must insist on wearing a mask.
This winter, when you enter a confined space like an elevator, you must wear a mask.
Second, after returning home from a public place, the first thing is to disinfect the hands.
Third, pay attention to hygiene and etiquette, and don't spit.
Hangu Street and Central Fishing Port Cold Chain Logistics Zone A and B are adjusted to low-risk areas Gu Qing, deputy director of the Tianjin Municipal Health Commission and director of the Municipal Center for Disease Control and Prevention, announced on the evening of the 24th that from 24:00 on November 24th, Tianjin will adjust the Hangu Street of Binhai New Area and the Central Fishing Port Cold Chain Logistics Zone A and B to low Risk area.
Tianjin held the 155th press conference on the prevention and control of the novel coronavirus pneumonia epidemic. Photo by Zhang Daozheng That night, Tianjin held the 155th press conference on the prevention and control of the novel coronavirus pneumonia epidemic. According to Gu Qing, as of 17:00 on November 23, 2020, more than 1,000 people have been quarantined for medical observation in Hangu Street, the central fishing port cold chain logistics zone, and the central fishing port cold chain logistics zone in Binhai New Area. The nucleic acid tests are all negative. More than 60,000 people were screened by a large-scale nucleic acid test for all residents in the above-mentioned areas, and the results were all negative. On November 8th and 9th, 2 new cases of new crown virus infection were reported in Tianjin, and they were successively confirmed as confirmed cases, both of which were highly related to the cold storage of Sino-Singapore Tianjin Eco-city Tianjin Hailian Frozen Food Co., Ltd. In accordance with the State Council's joint prevention and control mechanism for the new crown pneumonia epidemic and relevant regulations of Tianjin, in accordance with the epidemic situation, from 24:00 on November 9th, Tianjin will adjust the Hangu Street of Binhai New Area and the Central Fishing Port Cold Chain Logistics Zone A and B to Medium risk area. Gu Qing said that as of now, there have been no new confirmed cases in the region for more than 14 consecutive days. According to the national "New Coronavirus Pneumonia Prevention and Control Plan (Seventh Edition)" regional control requirements, from 24:00 on November 24 , Tianjin adjusted Hangu Street in Binhai New Area, and Zone A and Zone B of the Central Fishing Port Cold Chain Logistics Zone to low-risk areas. "Bincheng Screening" successfully completed 2467411 human nucleic acid tests all negative On the 24th, at the 155th Tianjin New Coronavirus Pneumonia Epidemic Prevention and Control Work Press Conference, Liang Chunzao, deputy commander and deputy head of Tianjin Binhai New Area Prevention and Control Headquarters, introduced that the "Bincheng Screening" has gone smoothly. Completed. By 10 am on November 24, all test results were completed, and 2,467,411 nucleic acid test results were all negative.
Liang Chunzao pointed out that on November 20th, after 4 newly confirmed cases in Tianjin Binhai New Area, the epidemic prevention and control reached a critical juncture. The Tianjin Prevention and Control Headquarters made scientific research and judgments and made decisive decisions. Instructions for nucleic acid testing of all employees. The Binhai New Area immediately started the pre-plan, assembled all the staff, and prepared intensively, and completed various tasks such as personnel mobilization, site arrangement, and material preparation overnight. Liang Chunzao introduced that the "Bincheng Screening" was launched at 10 am on November 21 (Saturday). After the whole district and various reinforcements fighting day and night, the main body sampling (This is testing of people in immediate area. s.s.) was completed on the evening of November 22 (Sunday).
People, November 23 (Monday) carried out all-day sweeping work, completed sweeping samples of 221,600 people. By 10 o'clock that night,the sampling work was completed and all the sampling tasks for 2,467,411 people were completed. (Claim of testing 2.5 MILLION people in two days. s.s.) The results were released at 10 o'clock in the morning on the 24th, and the test results showed that all were negative.
Tianjin TEDA Hospital is unblocked and will return for follow-up visits. Kanhaixuan community will be adjusted from high risk to low risk
2020-12-04 11:23 Reporter: Qi Chao Editor: Du Haitao
After research by experts organized by the Tianjin Municipal Health Commission, the Prevention and Control Headquarters of the Binhai New Area decided to lift the sealing and control management of TEDA Hospital (except the emergency area) from 23:00 on December 3. TEDA Hospital will eliminate all departments and public areas of the hospital, and a full follow-up will be conducted on December 7. In addition, from 2 a.m. on December 4th, Kanhaixuan community will be adjusted from a high-risk area to a low-risk area. The second batch of residents who have been released from centralized isolation in this community need to be isolated at home for 7 days.
On December 6, the Tianjin Municipal Center for Disease Control and Prevention notified a new confirmed case of local new coronary pneumonia, which was Yang Moumou, the daughter of a confirmed case in Haixuan Community. Prior to this, she had been observing with her mother at a centralized isolation medical point. Official information shows that Yang's grandfather, grandma, and father were all diagnosed on November 19, 2020. Since November 20th, the health department has been monitoring Yang's health status. After multiple nucleic acid tests and serum antibody tests, she was diagnosed as the 147th confirmed case of new coronary pneumonia in China and has been sent to a designated hospital for treatment.
