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In which year and month did COVID-19 occur?
COVID-19 appeared in the United States as early as 2019,65438+February or even165438+1October.

20 19 novel coronavirus (20 19-nCoV, named by WHO in June 2020; Novel coronavirus, named by the International Committee for Virus Classification on February 1 1 2020).

Related information:

In August, 2020, related research revealed the characteristics of COVID-19 communication: high infectivity and high concealment. In September, the research group of Academician Li Lanjuan of the State Key Laboratory of Infectious Diseases Diagnosis and Treatment of the First Hospital of Zhejiang University, together with the research group of Li Sai of Tsinghua University Institute of Life, resolved the three-dimensional fine structure of the real novel coronavirus virus for the first time in the world.

In June+10, 5438, a new Australian study showed that COVID-19 could live on banknotes, glass and other surfaces for nearly a month. 12 On February 23rd, another more infectious mutant COVID-19 was discovered in Britain.