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polio vaccine
remana posted:

My baby girl has received the three doses of polio vaccination at 2m, 4m, and 6m. we went for her 1 year vaccination, they gave her a fourth shot of polio by mistake. so she got 4 doses of polio within her first year. Is there any chance that could cause her any harm?
Roy Benaroch, MD responded:
Almost certainly not. With every dose of any vaccine, there is a very small chance of a reaction (and a very very very small chance of a serious reaction.) If your baby had the dose, and has since seemed fine, then there is not any reason to think that there will be any problems later on.

Your child will need one further dose of polio vaccine at age 4-5 for full protection.

Best of luck!

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