Fig. 2

Seasonal distribution (months) of outpatients with ARIs caused by viruses
FluA viruses consisted of seasonal H1N1 (sH1N1), seasonal H3N2 (sH3N2) and pandemic H1N1 (2009); RSV viruses included RSV-A and RSV-B subtypes; PIV viruses included PIV-1, PIV-2, PIV-3, PIV-4 subtypes; CoV viruses included CoV-OC43, CoV-HKU1, CoV-229E, and CoV-NL63 subtypes. BoV virus was not detected in this study.