In a new study out Thursday from the Centers for Disease Control, the vaccine proved effective just over half of the time. And among seniors who are 65 years old and older, one of the most vulnerable populations, the vaccine only offered nine percent protection. NBC's Robert Bazell reports. (Nightly News)
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A new study from researchers in Norway examined more than 117,000 pregnancies and found the flu shot does not increase the chance of miscarriage. Pregnant women who received a flu vaccine and still got the flu had a lower chance of miscarriage than those who became ill without having gotten the flu shot. NBC's Robert Bazell reports. (Nightly News)










