Since its outbreak at the beginning of the year, the pandemic has been of great concern to everyone.

As the entire world is fighting against COVID-19, some countries have achieved some victories in its containment but the situation is still far from optimistic.

Different countries have different understandings of China’s early response to COVID-19 and some people believe that China’s early response was not good or effective. In the first few weeks of the epidemic, how was the epidemic discovered and how did it happen, and how did China respond? Let’s hear what Wu Zunyou, chief epidemiologist of the Chinese Center for Disease Control and Prevention, has to say.