Should people take more than one type of COVID-19 vaccine?
All these authorizations foretell a world with vaccine choice. Here’s what research says about whether more is better for boosting your immunity.
The day will come when everyone who wants a COVID-19 vaccine will be able to get one. Then people might wonder about a question that once seemed far-fetched: Should I get a second just to be safe?
As the pandemic rolls on, that actually might be an option, as more vaccines make their way through the approval pipeline in the coming months. On Friday, the U.S. Food and Drug Administration authorized emergency use of a vaccine by Moderna—just a week after it granted similar authorization for one by Pfizer and BioNTech.
So far, double-dipping with vaccines is mostly a thought experiment. The current limited supply makes accessing two different COVID-19 vaccines unlikely unless a person sneaks into multiple clinical trials
