The symbol of Omicron

Omicron (English name: Omicron, serial number: B. 1. 1.529), 20 19 novel coronavirus variety. It was first detected in South Africa on 202 1, 1654381October 9. The longest incubation period is 8 days.

2021165438+1On October 26th, the World Health Organization defined it as the fifth "interesting variant" and named it the Greek letter Omicron? . 165438+1October 29th, WHO said that the overall risk assessment of COVID-19 Omicron mutant in the world is "very high", and it may spread widely around the world.

On February 9th, 65438, the reference news reported on the British Guardian website that scientists had discovered an "invisible version" of Omicron strain which was more difficult to trace? . On June 4th, 2022, WHO indicated that 128 countries and regions had reported the discovery of Omicron mutant before Christmas and New Year holidays.

On March, 2022, 10/0, it was reported that the viruses infected by infected people in Beijing, Shanghai, Shandong and Shaanxi all had Omicron variants. In addition, the epidemic situation in Shanghai has spilled over to 2 1 province and 7 1 city, including Guangxi.