Novel coronavirus (20 19, coronavirus pneumonia-19), referred to as "COVID-19", was named "20 19 coronavirus disease" by the World Health Organization, which refers to the pneumonia caused by novel coronavirus infection in 20 19. Since 20 19 and 12, many cases of unexplained pneumonia with a history of exposure to the seafood market in South China have been found in some hospitals in Wuhan, Hubei Province, and were diagnosed as acute respiratory infectious diseases caused by novel coronavirus infection in 20 19.
On February/KOOC-0//KOOC-0/day, 2020, the Director-General of the World Health Organization, Ted breyer Ghebreyesus, announced in Geneva that novel coronavirus would be named "Coronavirus Pneumonia-/KOOC-0/9". On February 22nd, the National Health and Wellness Committee issued a notice, and the English name of "novel coronavirus" was changed to "coronavirus pneumonia-19". On March 1 1, WHO thought that the current COVID-19 epidemic could be called a global epidemic. On April 4th, China held a national mourning activity. On August 65438+8, 2008, the National Health and Family Planning Commission revised and completed the novel coronavirus Diagnosis and Treatment Plan (Trial Eighth Edition). On September 3rd, the WHO expert group on COVID-19 epidemic response assessment and its chairman announced the list of experts at the briefing of member countries, and Zhong Nanshan was selected.
By 20: 36 Central European Daylight Time on April 14, 2022, the cumulative number of confirmed cases in COVID-19 exceeded 500 million, and the cumulative death toll was 6 190349. On June 5438+04, 948865 cases were confirmed and 4 175 cases died in COVID-19.
As of 24: 00 on April 16, 2022, according to the report of 3 1 province (autonomous region and municipality directly under the Central Government) and Xinjiang Production and Construction Corps, there were 27,885 confirmed cases (including 78 severe cases), 49,770 cases were cured/KLOC-0, 4,638 cases died, and 65,438+cases were reported. A total of 2852563 close contacts were tracked, and 435266 close contacts were still under medical observation.