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To stay protected against COVID-19, people may need booster shots within 12 months of receiving their initial vaccinations, David Kessler, the chief science officer for President Joe Biden’s COVID-19 response task force, said at a congressional committee meeting on Thursday (April 15), Reuters reports. Pfizer CEO Albert Bourla agrees with that timeline, according to comments he made to CNBC earlier this month.
So far, the evidence suggests that Pfizer/BioNTech’s and Moderna’s COVID-19 vaccines will protect against SARS-CoV-2 infection for at least six months. Beyond that, the data simply aren’t available yet.
“Unfortunately, many people have misunderstood that to mean that it lasts only six months, [when] all that information means is that we know that it lasts six months, and we expect it to last longer,” allergist and clinical immunologist Susan Bailey, the president of the American Medical Association, tells National Geographic.
Pfizer and BioNTech are ...
