Covid Boosters Can’t Outpace New Mutations. Here’s Why They Still Work

September 12, 2023

(Wired) – Even though the new boosters were formulated against XBB.1.5, they’re still expected to provide protection against these new variants. “The reason is, while antibodies are important in protection against mild disease, the critical part of the immune response that’s important for protecting against severe disease is T cells,” says Paul Offit, a professor of vaccinology at the University of Pennsylvania and member of the FDA’s vaccine advisory committee. (Read More)