Immune Response May Explain Flu Symptoms Among Pregnant Women

Are pregnant women who develop flu-like symptoms at higher risk of hospitalization and more likely to deliver a premature baby?

A recent Stanford study indicates the immune system works intensely in response to the pandemic "swine flu" virus, H1N1, and a seasonal H3N2 influenza virus. The results, published online Monday in the journal Proceedings of the National Academy of Sciences, may lead to further options to combat influenza infection among pregnant women.

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