Factsheet: Understanding How COVID-19 Vaccines Work
Factsheet: Understanding How COVID-19 Vaccines Work
Date posted:
June 21, 2022
Last reviewed:
February 13, 2025
Centers for Disease Control and Prevention (CDC)
Factsheet explains how COVID-19 vaccines help the body build immunity to the virus. The factsheet includes details about how the main types of COVID-19 vaccines - mRNA and protein subunit - work. It is available here: Understanding How COVID_19 Vaccines Work | CDC.