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Pfizer Grows Existing COVID-19 Variants To Test Vaccine Effectiveness

Research scientists at Pfizer are growing the latest variants that have already emerged to see how effective they are against the COVID-19 vaccine.

Here & Now‘s Tonya Mosley talks with STAT reporter Olivia Goldhill about the study.

Correction: An earlier version of this post incorrectly stated Pfizer was growing new COVID-19 variants. We regret the error.

This article was originally published on WBUR.org.

Copyright 2021 NPR. To see more, visit https://www.npr.org.