A member asked:

How much protection does my baby have 10 days after first flu shot? she will get booster june 1st?

A doctor has provided 1 answer

Building: The immune system takes 2-3 weeks to build immunity after any vaccine. Even after it has full force you should use common sense methods of flu avoidance because the vaccine may not protect against the strain circulating in your area.

Answered 5/12/2018

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