Clinical and epidemiological characteristics of 2009 pandemic influenza A in hospitalized pediatric patients of the Saurashtra region, India.

Background: The first case of 2009 pandemic influenza A or H1N1 virus infection in India was reported in May 2009 and in the Saurashtra region in August 2009. We describe the two waves clinicoepidemiological characteristics of children who were hospitalized with 2009 influenza A infection in the Saurashtra region.

Methods: From September 2009 to February 2011, we treated 117 children infected with 2009 influenza A virus who were admitted in different hospitals in Rajkot city.