COVID-19 vaccines are safe. COVID-19 vaccines are the most tested and monitored vaccines in U.S. history. Hundreds of millions of people have safely received a COVID-19 vaccine to date.
COVID-19 vaccines prevent serious illness. Vaccines safeguard against severe illness, hospitalization, and death. In fact, for adults who received the updated bivalent booster, the risk of visiting an emergency room or being hospitalized was reduced by 50 percent.
COVID-19 vaccines save lives. COVID-19 vaccines saved about 20 million lives worldwide in the first year they were available, based on a scientific model that used country-level data across the globe.