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:

If I’ve had COVID, do I still need a vaccine?
Does the vaccine protect me against the new variants?
If I’ve been vaccinated, do I need to wear a mask?

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

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