China News Client April 10 (Yuan Xiuyue) On the 10th, a member of the National Health and Health Commission high-level expert group Zeng Guang made a guest interview with China News. In the interview, he emphasized that the current domestic epidemic prevention and control needs to pay attention to internal defense rebound and prevent "dark fire". "When the forest fire is burning violently, we give priority to saving the open fire. In our case, we give priority to controlling the symptomatic people and give them treatment. In fact, there is a dark fire, which is an asymptomatic infected person." Zeng Guang said, no The symptom-infected person cannot control it, because from asymptomatic to symptomatic, it means that the virus is spreading, and asymptomatic may also become symptomatic. He does not have symptoms himself, and others may have symptoms.