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After getting vaccinated, how quickly am I protected?

Immunity, or protection from COVID-19, doesn’t happen immediately. After both doses of the vaccine, it usually takes about two weeks for your body to develop full immunity. However, you develop some immunity about two weeks after your first dose.

The Pfizer (Comirnaty), Moderna (Spikevax) and Oxford-AstraZeneca (Vaxzevria) vaccines require two doses to be considered fully vaccinated.

Data also suggests that these vaccines are effective in the short term against the disease and the need for hospitalization starting one to two weeks after a person receives the first dose. Where two doses are required, immunity is further boosted after the second dose.

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