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memory B cells

Fauci: Boosters for Everyone Will Keep America Healthy

A week after FDA and CDC advisory committees clashed on the nuances of when and whether to recommend COVID-19 booster shots, Anthony Fauci told my colleague Ed Yong that he still believes third doses of the mRNA vaccines are crucial, suggesting once again that they will eventually be part of a standard regimen. As those […]

Waning Immunity Is Not a Crisis, Right Now

Vaccines don’t last forever. This is by design: Like many of the microbes they mimic, the contents of the shots stick around only as long as it takes the body to eliminate them, a tenure on the order of days, perhaps a few weeks. What does have staying power, though, is the immunological impression that […]