Fetal Exposure to Influenza May Contribute to Heart Disease Later

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It is not, of course the same H1N1 as our current pandemic virus. This study was done on the children of the survivors of the 1918 Pandemic.

People exposed to a H1NI strain of influenza A while in utero were significantly more likely to have cardiovascular disease later in life, reveals a new study to be published in Journal of Developmental Origins of Health and Disease on Oct. 1.

"Our point is that during pregnancy, even mild sickness from flu could affect development with longer consequences," said senior author Caleb Finch, USC professor of gerontology and biological sciences.

Finch, Eileen Crimmins (USC Davis School of Gerontology), lead author Bhashkar Mazumder (Federal Reserve Bank of Chicago), Douglas Almond (University of Chicago) and Kyung Park (Columbia University) looked at more than 100,000 individuals born during and around the time of the 1918 influenza pandemic in the United States.

After first appearing in the spring and all but disappearing in the summer, the 1918 flu pandemic "resurged to an unprecedentedly virulent October-December peak," the researchers write. The outbreak of influenza A, H1N1 subtype killed two percent of the total population. Most people experienced mild "three-day fever" with full recovery.

"[The] 1918 flu was far more lethal than any since. Nonetheless, there is particular concern for the current swine flu which seems to target pregnant women," said Finch, director of the Gerontology Research Institute at USC. "Prospective moms should reduce risk of influenza by vaccination."

Continued here: http://www.news-medical.net/news/20091001/Fetal-exposure-to-H1N1-flu-can-increase-risk-of-heart-disease.aspx

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