"vaccine effectiveness (VE) was 61% for two doses against COVID-19-associated hospitalizations; VE increased to between 85%–92% after receipt of a third/booster dose."
"COVID-19 vaccines remain our single most important tool to protect people against serious illness, hospitalization, and death."
https://www.cdc.gov/media/releases/2022/s0715-COVID-VE.html
"vaccine effectiveness (VE) was 61% for two doses against COVID-19-associated hospitalizations; VE increased to between 85%–92% after receipt of a third/booster dose."
"COVID-19 vaccines remain our single most important tool to protect people against serious illness, hospitalization, and death."