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Dallas, TX
A 38-year-old female asked:

i've always been told by my dr. that it takes about 2 weeks after a flu shot for your body to make antibodies to protect you against the flu. how long does it take for the upcoming covid vaccines to work and provide immunity/protection from covid?

2 doctor answers3 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
1-2 weeks: Depending on the type of vaccine, it will take 1-2 weeks after the second dose for immunity to kick in. If and when a single dose vaccine becomes available, it will be 1-2 weeks after the vaccination. For now, wear a mask, practice social distancing and wash your hands often. Wish you good health!
Dr. Heidi Fowler
Psychiatry 25 years experience
COVID 19 vaccines: I checked multiple sites and could not find a direct answer to your question. Both mRNA vaccines would require 2 doses. " Pfizer’s booster shot will be given three weeks after the first one; Moderna’s is spaced four weeks later." REF: https://www.washingtonpost.com/health/2020/11/17/covid-vaccines-what-you-need-to-know/?arc404=true

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Last updated Nov 21, 2020
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