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Novel coronavirus pneumonia development

Views: 0     Author: Site Editor     Publish Time: 2022-10-25      Origin: Site

Novel coronavirus pneumonia (referred to as "new coronary pneumonia", named "2019 coronavirus disease" by the World Health Organization, refers to the pneumonia caused by the 2019 new coronavirus infection. Since December 2019, some hospitals in Wuhan City, Hubei Province have successively discovered many A case of unexplained pneumonia with a history of exposure to the South China seafood market was confirmed to be an acute respiratory infectious disease caused by the 2019 novel coronavirus infection.Novel coronavirus pneumonia development - UDXBIO

On February 11, 2020, the Director-General of the World Health Organization, Tedros Adhanom Ghebreyesus, announced in Geneva, Switzerland, that the pneumonia caused by the new coronavirus will be named "COVID-19". On February 22, the National Health Commission issued a notice that the English name of "new coronavirus pneumonia" was revised to "COVID-19". On March 11, the World Health Organization considered the current COVID-19 outbreak to be called a global pandemic. On April 4, China held a nationwide mourning event. On August 18, the National Health Commission revised and completed the new coronavirus pneumonia diagnosis and treatment plan. On September 3, the co-chair of the WHO's new crown pneumonia epidemic response assessment expert group announced the list of members of the expert group at a briefing for member states, and Zhong Nanshan was selected.

On September 24, 2022, Singapore's "Lianhe Zaobao" website reported that Tedros Adhanom Ghebreyesus, Director-General of the World Health Organization, pointed out that there is still a long way to go before announcing the end of the new crown epidemic.

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According to the existing case data, the new coronavirus pneumonia is mainly manifested by fever, dry cough, fatigue, etc., and a small number of patients have upper respiratory and gastrointestinal symptoms such as nasal congestion, runny nose, and diarrhea. Severe cases mostly develop dyspnea after 1 week, and severe cases rapidly progress to acute respiratory distress syndrome, septic shock, metabolic acidosis that is difficult to correct, coagulation dysfunction, and multiple organ failure. It is worth noting that severe and critically ill patients may have moderate to low fever or even no obvious fever during the course of the disease. Mild patients only showed low fever, mild fatigue, etc., without pneumonia. Judging from the current cases, most patients recovered well, and a few patients were in critical condition. The elderly and those with chronic underlying diseases have a poor prognosis. Children's cases are relatively mild.

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WHO Director-General Tedros Adhanom Ghebreyesus said on March 11, 2020 that the new crown pneumonia epidemic has the characteristics of a pandemic.

Tedros said at a regular press conference in Geneva that the extent and severity of the epidemic is deeply worrying, "so we assess that the new crown pneumonia epidemic has the characteristics of a pandemic."

"We've never seen a coronavirus pandemic before. We've never seen a contained pandemic before," he said.

He stressed that describing the new crown pneumonia outbreak as a "pandemic" will not change the WHO's assessment of its threat, "it will not change what the WHO is doing, and it will not change what countries should do."

The novel coronavirus pneumonia is in the early stage of rapid change. China has released the full genome sequence of the novel coronavirus that causes the novel coronavirus pneumonia, which will help scientists and public health organizations around the world to join the research and development of diagnostic reagents and the pathogenicity of the virus.

The National Health and Health Commission has issued Announcement No. 1 to include pneumonia caused by the new coronavirus as a Class B infectious disease stipulated in the Law on the Prevention and Control of Infectious Diseases.