
March 11, 2022
2019 novel coronavirus
We'll talk about this topic in early 2022. Virus Pneumonia has been raging around the world for three years It was first developed in Wuhan, China in 19 years The emerging coronavirus covid-19 named the virus As the name suggests, severe infectious pneumonia Mutant virus branches Alpha in the second half of 2020 Beta、Gamma、 Delta June 2020 Omicron (mutant up to 37) Variant of Interest, VOI), as of July 2020 there were 7 plants Lambda Mu December 2020 ~ November 2021 Symptoms of viral manifestations are persistently cyclical That is, we can tell from the name that its harm is...
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