The earliest official news of the discovery of the new coronavirus is that in December 2019 more medical institutions in Wuhan City have been appearing patients with unexplained pneumonia, rumors that this virus is similar to SARS pneumonia. There is also news that it was before December has appeared in the South China seafood market near the aggregation of infection and other symptoms. However, the current official news is still that patients with pneumonia began to appear one after another in December 2019, that is, the new coronavirus pneumonia is an outbreak that began to appear one after another in December 2019. Wuhan City continues to carry out surveillance of influenza and related diseases, and the viral pneumonia cases found at that time were 27 cases, all diagnosed as viral pneumonia, and most of these patients were later found to be infected with novel coronavirus pneumonia. Content source: Dr. You Lai