Study: Flu shots benefit pregnant women most during flu season

May 31, 2011 2:55:42 PM PDT
For decades doctors have recommended that pregnant women get a seasonal flu shot and a new study takes a closer look at the benefits.

The study found infants born to vaccinated moms were 40% less likely to be premature and 69% less likely to be of low birth weight.

The vaccine benefit was seen only in those born during the flu season between October 1st and May 31st.

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