Global National
February 26 2021 8:05pm

Does delaying the second COVID-19 vaccine dose really save lives?

The COVID-19 vaccines from Pfizer-BioNTech and Moderna both require two doses. But could more lives be saved if as many people as possible received one dose first? It would mean delaying the second shot. Heather Yourex-West looks at the potential risks and rewards.

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