covid-19 - HUACHENGYANG

Omicron has the characteristics of rapid transmission and insidiousness, which allows it to spread rapidly through the population.

The recent flow of the Omicron virus has led to a significant increase in the proportion of asymptomatic infection, accounting for the majority of new cases.

The recent flow of the Omicron virus has led to a significant increase in the proportion of asymptomatic infection, accounting for the majority of new cases.