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Review
. 2012 Nov;6(6):449-60.
doi: 10.1111/j.1750-2659.2012.00342.x. Epub 2012 Feb 15.

Review on the impact of pregnancy and obesity on influenza virus infection

Erik A Karlsson  1 , Glendie Marcelin, Richard J Webby, Stacey Schultz-Cherry
Affiliations
Review

Review on the impact of pregnancy and obesity on influenza virus infection

Erik A Karlsson et al. Influenza Other Respir Viruses. 2012 Nov.

Abstract

A myriad of risk factors have been linked to an increase in the severity of the pandemic H1N1 2009 influenza A virus [A(H1N1)pdm09] including pregnancy and obesity where death rates can be elevated as compared to the general population. The goal of this review is to provide an overview of the influence of pregnancy and obesity on the reported cases of A(H1N1)pdm09 virus infection and of how the concurrent presence of these factors may have an exacerbating effect on infection outcome. Also, the hypothesized immunologic mechanisms that contribute to A(H1N1)pdm09 virus severity during pregnant or obese states are outlined. Identifying the mechanisms underlying the increased disease severity in these populations may result in improved therapeutic approaches and future pandemic preparedness.

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