COVID-19 vaccine: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Last updated

Oct. 10, 2026

Facts

Also Known As	coronavirus disease 2019 vaccine

Photos and Videos

COVID-19 vaccine

Moderna COVID-19 vaccine

A masked healthcare worker administers a COVID-19 vaccine to an older man wearing a mask and orange shirt, who sits with his sleeve rolled up and looks toward the camera.

Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.

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Topics

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