Published: Thu, September 14, 2017
Health | By Jay Jacobs

Doctors urge people to get flu shots

Doctors urge people to get flu shots

Also, black and Hispanic teens with public insurance who were vaccinated in the 2015 to 2016 flu season were also less likely to get vaccinated the next year.

Researchers stressed that this observational data isn't almost strong enough to warrant changes to vaccine recommendations.

It's the first study to identify a potential link between miscarriage and the flu vaccine and the first to assess the effect of repeat influenza vaccination and risk of miscarriage.

"Multiple published studies, as well as clinical experience, have all supported the belief that the flu vaccine is safe and effective during pregnancy", the American College of Obstetricians and Gynecologists said.

The U.S. Centers for Disease Control and Prevention, which funded the new study and had a presentation on the data in June 2015, posted a website update that said it "has not changed the recommendation for influenza vaccination of pregnant women". But there simply isn't enough information at this time to draw any sort of definitive conclusion. The vaccines produced afterward protected against strains of the flu that had not been targeted by vaccines before, and the number of pregnant women getting vaccinated also increased. The study showed only an association, not a causal link.

The study's authors, two of whom are CDC researchers, saw a big difference when they looked at women who had miscarried within 28 days of getting a shot that included protection against swine flu, but it was only when the women also had had a flu shot the previous season. Just four of a comparable 485 healthy pregnancies involved women who were vaccinated that way.

A possible cause for the connection, if it's legitimate, could be that the vaccines were developed after the swine flu pandemic.

The Ohio Department of Health doesn't track flu deaths for adults 18 years of age or older but says a handful of children died from it last year.

Since 2004, the CDC and other organizations have recommended routine flu vaccination for pregnant women regardless of their stage of pregnancy.

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