The National Influenza Center released the "Influenza Surveillance Weekly Report": the proportion of flu A has decreased significantly, and the proportion of flu B has risen

Sina Financial News The latest issue of the "Influenza Surveillance Weekly Report" released by the National Influenza Center shows that the proportion of flu A has decreased significantly, and the proportion of flu B has risen. Following Stream A, Stream B has received public attention. So what is the difference between flow A and flow B? Will flow B be more serious than flow A? Doctors said that flow B is usually small or sporadic, so there is no need to worry too much about the rise of flow B.