On May 1, local time, WHO held a regular press conference on New Coronary Pneumonia. In response to the question about whether the New Coronary Pneumonia virus came from the Wuhan Virus Research Institute, the head of the WHO Health Emergency Program Michael Ryan said that many scientists have studied The gene sequence of the New Coronary Pneumonia virus is confirmed, and it is believed that the New Coronary Pneumonia virus comes from nature. It is important to determine its host in order to learn more about how the virus connects between humans and animals, and how to break down the transmission barrier between humans and animals, the purpose is to take the necessary public health precautions to ensure that this type of situation does not happen again . (Headquarters reporter Zhu He)