The New York Times, October 19, 2021
The Food and Drug Administration seems likely to allow Americans to switch vaccines when choosing a Covid-19 booster shot. That authorization, which could come this week, is the latest development in a long-running debate over whether a mix-and-match strategy helps protect people from the coronavirus.
Here are answers to some common questions about mixing and matching booster shots.
Continue reading “Mix-and-Match Covid Boosters: Why They Just Might Work”