Zhang Wenhong said that the epidemic may arrive within a month. How to prevent it? Recently, when Shanghai medical expert Zhang Wenhong participated in an online live broadcast program, he said that the new coronavirus may arrive within a month, which aroused people\’s attention and worry. So, how should we prevent this? The following is a detailed explanation from four aspects. 1. Strengthen the awareness of self-protection. First, we need to strengthen the awareness of self-protection. This includes measures such as washing hands frequently, wearing masks, and going out less often. Not only in public places, but also