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SciCheck’s COVID-19/Vaccination Project

What percentage of a community has to have immunity to prevent spread?


This article is available in both English and Español

Although scientists are still debating what the community, or herd, immunity threshold is for COVID-19, most epidemiologists estimate that between 40% to 70% of a population would need to be vaccinated or have prior exposure to the virus for an outbreak to begin to die out.