Novel coronavirus, abbreviated as "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.

By 24: 00 on April 7th, 2022, according to the report of 3 1 province (autonomous region and municipality directly under the Central Government) and Xinjiang Production and Construction Corps, there were 23,832 confirmed cases (including 77 severe cases), 65,433,222 discharged cases were cured, 4,638 cases died, and 65,438 confirmed cases were reported.

A total of 2582687 close contacts were followed up, and 432 100 close contacts were still under medical observation.