What percentage of the population needs to get vaccinated to achieve herd immunity? ↓

Herd immunity means that enough people in a community are protected from getting a disease because they’ve already had the disease, or they’ve been vaccinated. Experts do not yet know what percentage of people would need to get vaccinated to achieve herd immunity to COVID-19; however, the CDC and other experts are actively studying this and will provide more information as it is available.