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Is 202 1 COVID-19 strict?
Seriously. COVID-19 was named "20 19 coronavirus disease" by the world health organization, which refers to pneumonia caused by novel coronavirus infection in 20 19. 202 1 COVID-19 is very serious and highly contagious. 65438+On February 26th, 2022, the National Health and Wellness Commission issued an announcement, renaming novel coronavirus as novel coronavirus infection.