Seasonal and 2009 pandemic influenza A (H1N1) virus infection during pregnancy: a population-based study of hospitalized cases

AA Creanga, L Kamimoto, K Newsome… - American journal of …, 2011 - Elsevier
We sought to describe characteristics of hospitalized reproductive-aged (15-44 years)
women with seasonal (2005/2006 through 2008/2009) and 2009 pandemic influenza A
(H1N1) virus infection. We used population-based data from the Emerging Infections
Program in 10 US states, and compared characteristics of pregnant (n= 150) and
nonpregnant (n= 489) seasonal, and pregnant (n= 489) and nonpregnant (n= 1088)
pandemic influenza cases using χ 2 and Fisher's exact tests. Pregnant women represented …