Zhang Wenhong, director of the Department of Infectious Diseases of Huashan Hospital affiliated to Fudan University, was interviewed by the media in Shanghai on the 18th to conduct scientific interpretation of the recent new crown epidemic prevention and control hotspots. He said that with the reduction of immunity and the mutation of the virus, there will be a "second wave" (infection), and even a "third wave" in the future.
He explained that the new coronavirus is spreading faster than measles, which was the fastest spreading before.