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.
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