Clinical presentation and laboratory findings of the children with influenza virus infection.

Data are shown as numbers (%) unless otherwise specified.1) Comparisons were made among A(H1N1)pdm09, seasonal H3N2,and influenza B by using ANOVA for quantitative characteristics and Fisher’s exact or chi-square test for categorical variables, respectively.2) Denotes the highest body temperature of feverish patients before and on admission to hospital.ND: Not determinedClinical presentation and laboratory findings of the children with influenza virus infection.