
Flu Season | VA Martinsburg Health Care | Veterans Affairs
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Yes, the flu shot is both safe and effective. Most people have no serious side effects or allergic reaction to it. Some people may have redness or swelling on their arm where the shot was
given. A very small number of people may get minor body aches, a headache, or a low fever that lasts a day or two. The Health and Medicine Division (formally known as the Institute of
Medicine) of the National Academy of Sciences, Engineering, and Medicine reviewed more than 1,000 research articles and concluded that few health problems are associated with vaccines. Learn
more about these findings.