Expert: There are two reasons for the “sudden disappearance” of the epidemic. Why did the second wave of the new crown epidemic infection peak not come?
Reporter: Before the Spring Festival, many people were worried that there would be a second peak of the epidemic due to the large-scale movement of people during the Spring Festival, but in fact it did not come. Why? Li Tongzeng: This is mainly because we have been infected with the new crown virus in the …