Quote:
Originally Posted by CFrance
I thought that too. But the pharmacist at Walgreens in Pinellas told us two weeks. Maybe it's somewhere in between those two times?
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About 14 days to START building immunity, 4 weeks or so for full immunity. The unanswered question every year is---did the CDC get it right and how effective will this year's shot be? But no matter how that turns out--ALWAYS get your flu shot, even when you hear something negative on TV or the net.