Zhonghua er ke za zhi. Chinese journal of pediatrics
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Zhonghua Er Ke Za Zhi · Jul 2011
Comparative Study[Analysis of clinical manifestations of hospitalized children infected with seasonal influenza A virus and 2009 novel influenza A (H1N1) virus in Beijing].
The novel influenza A (H1N1) virus firstly detected in April 2009 in Mexico rapidly spread to many countries including the United States and Canada where humans were infected with the H1N1 virus and deaths were reported. The pandemic virus strain had never been detected in specimen of human beings and swine. It was so highly contagious and widely spread that threatened life of humans globally. This study aimed to analyze clinical data of hospitalized children patients with 2009 novel H1N1 influenza A virus infection confirmed by etiologic tests, and compared with that of seasonal influenza A. ⋯ As a new variant of influenza virus A, 2009 novel H1N1 influenza A had stronger pathogenicity. Children with underlying medical conditions had the high risk to be infected and developed severe manifestations.