Quote:
Originally Posted by badgoodDeb
Flu shots do sometimes make the arm ache, and sometimes leave you achy for a day. This is not proof that the flu shot didn't work. When you later get no flu, or only a mild case of the flu, THAT is what proves the flu shot did work!
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Exactly. And the cost of getting the flu? A whole lot more than a bit of an aching arm for a day or two. (BTW, going swimming will help -- the arm exercise will help distribute that extra fluid across a broader muscle area and speed up absorption.)