Medical experts say getting too much vaccine usually doesn't lead to serious side effects - but it's important not to waste any doses.

A coronavirus vaccine vial.
Dado Ruvic/Reuters

A 23-year-old Italian woman received six doses of Pfizers coronavirus vaccine on Sunday.
A nurse accidentally ...

https://www.businessinsider.com/italian-woman-6-doses-pfizer-coronavirus-vaccine-accident-2021-5

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