HI and NT antibody response in patients infected with the 2009 pandemic influenza virus.

Note: Number of pediatric patients with convalescent HI titers ≥20 = 36/36 (100.0%).Number of adult patients with convalescent HI titers ≥40 = 43/44 (97.7%).注：康复期血凝抑制抗体滴度（Hemagglutination Inhibition titers，HI）≥20的儿科患者数量为36/36（100.0%）；康复期HI滴度≥40的成年患者数量为43/44（97.7%）。