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Do the COVID vaccines protect against illness?

Health care workers answer questions about the COVID-19 vaccines.


Noha Aboelata, MD explains how the COVID vaccines are keeping people from serious illness and death.


In terms of how effective it is, the most remarkable thing to me about the vaccines is how completely it seems to be preventing COVID-related death and very severe illness.

And this is really huge because this virus is so unpredictable in who it is going to really severely impact or who it’s going to kill. The fact that a vaccine could actually remove that potentiality is really huge.

This information is shared for educational purposes only and should not be used as a substitute for professional medical advice. The views expressed are those of the featured medical professional and reflect information available to that professional at time of filming. Always consult a health care provider for any personal health decisions. Click here for vaccine FAQs from the CDC.

Stay up to date with your COVID vaccine, including boosters!

COVID vaccines are safe and effective for everyone ages 6 months and older.

Immunity wanes over time. Keep up your protection against COVID by getting boosted when eligible.

Updated (bivalent) boosters are now available for adults and children 6 months and older.