Clinical symptoms and signs of patients with laboratory-confirmed Influenza A (H3N2) and Influenza B from October 2011 to May 2012.

Data are shown as numbers of patients (% of total), unless otherwise indicated.*chi-square test or Fisher’s exact test, unless otherwise indicated.**student’s unpaired t-test.除非另有说明，所有数据均以患者例数（占总例数的百分比）形式呈现。* 除非另有说明，统计学检验采用卡方检验（chi-square test）或Fisher确切概率法（Fisher’s exact test）。** 采用两独立样本t检验（student’s unpaired t-test）。