Fig. 5

Detection of respiratory viruses in patients with severe acute respiratory infection seeking medical treatment in different seasons. Each image illustrates the seasonal distribution of the pathogen. For each pathogen, the positive rate on the Y-axis is the number of patients who tested positive for respiratory viruses in that season divided by the number of patients in that season. Influenza virus (A) respiratory syncytial virus (B) parainfluenza virus (C) adenovirus (D) human bocavirus (E) human coronavirus (F) human metapneumovirus (G) rhinovirus (H)