On the morning of 20 19, 12 and 3 1, National Health Commission experts arrived in Wuhan to carry out relevant testing and verification work. The survey found that most cases of pneumonia were business owners of South China Seafood City. ?
On June 5438+1 October1day, 2020, Wuhan Jianghan District Market Supervision Administration and Wuhan Jianghan District Health and Wellness Bureau issued the Announcement on Closing the Market. Take measures to close the seafood wholesale market in South China, and further strengthen the disease prevention guidance and environmental sanitation management in public places, especially farmers' markets in the city.
Related introduction:
On the evening of June 5438+1October 5, 2022, the Wuhan Municipal Health and Health Commission informed that epidemiological investigation showed that some patients were business households in Wuhan South China Seafood City (South China Seafood Wholesale Market). Preliminary investigation showed that no clear evidence of human-to-human transmission was found, and no infection of medical staff was found. Respiratory pathogens such as influenza, avian influenza, adenovirus, infectious atypical pneumonia (SARS) and Middle East respiratory syndrome (MERS) have been excluded. Pathogen identification and pathogen traceability are still in progress.
65438+1October 7th 2 1, a novel coronavirus was detected in the laboratory, and the whole genome sequence of the virus was obtained. By nucleic acid detection, 15 cases were positive for novel coronavirus, and the virus was isolated from 1 case positive patients, which showed typical coronavirus morphology under electron microscope. The expert group believes that the pathogen of this unexplained viral pneumonia case was initially identified as novel coronavirus.
At 24: 00 on the day of 65438+ 10/0, the detection of pathogenic nucleic acid was completed. The national, provincial and municipal expert groups comprehensively judged the clinical manifestations, epidemiological history and laboratory test results of the patients who were admitted to the hospital for observation and treatment. The initial diagnosis was 4 1 case of pneumonia in novel coronavirus, of which 2 cases were discharged, 7 cases were severe and died 1 case, and the rest patients were in stable condition. 739 close contacts, including 4 19 medical staff, have all received medical observation, and no relevant cases have been found.