OBJECTIVE To analyze clinical features of 2009 pandemic influenza A（HIN1） and seasonal influenza A. METHODS During May and Oct 2009, a total of 129 patients infected with influenza A who were quarantined in fever department of Jishultan Hospital were observed. Real-time-fluorescence quantitative polymerase-chain- reaction（PCR） assay was used to confirm infection. The clinical features of the disease were closely monitored. RESULTS The 129 patients infected with influenza A had 65 patients infected with 2009 pandemic influenza A （H1N1） and 64 patients infected with seasonal influenza A. The mean age of 2009 pandemic influenza A（H1N1） and influenza A were 21 years and 36 years, respectively. Students both influenza A were 47 and 13 ,respectively. Statistically significant difference was found （P〈0.01）. Expect for rhinorrhea and swelling of tonsils,the clinical features of both influenza A had few statistica differences. CONCLUSIONS The patients investigated the influenza A in our hospital has a mild illness. The young students of 2009 pandemic influenza A（H1N1） are the major. The clinical features of both influenza A resemble. They need to be confirmed by PCR.
Chinese Journal of Nosocomiology
2009 pandemic influenza A （H1N1）
Seasonal influenza A