COVID‑19 vaccines and boosters were produced with unprecedented coordination and financial resources and are effective at preventing symptomatic disease, and even more effective at preventing hospitalization and death. There are several vaccines and boosters currently available, and they all help our bodies develop immunity to the virus that causes COVID‑19 — without us having to get the illness. This fact sheet explains
how the different types of vaccines work to offer protection and provides reliable information and resources to address common concerns. To find a vaccination location near you, go to Vaccines.gov.