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Why Do You Need Two Doses for Some COVID-19 Vaccines?
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Why Do You Need Two Doses for Some COVID-19 Vaccines?

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Format

Topics

doses, immunity, side effects

Languages

English

Description

Why do some vaccines require two doses? How long do you need to wait between doses? Do you have any immunity after the first dose?

This article will help explain why you need two doses of the Pfizer-BioNTech and Moderna vaccines, and will provide answers to many other questions, too.

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