WHO’s Science in 5 on COVID-19: Vaccines, Variants and Doses

This video answers many questions posed to WHO experts about the COVID-19 vaccine.

These include:

1. If I’ve had COVID, do I still need a vaccine?

2. Does the vaccine protect me against the new variants?

3. If I’ve been vaccinated, do I need to wear a mask?

Last modified: April 5, 2022

Language: English