I get one each year, just because my company provides them free to employees and their families. I think I remember a nurse telling me that the shot is actually a combination of three separate viruses that are expected to be the most common in the upcoming season, and the shot only protects you against those three. I was told this year it's an old wives tale that in getting a flu shot you could briefly have the symptoms of the flu, like a fever. All in all, I don't see the reason not to get one.
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