COVID-19 Vaccines Could Add Fuel To Evolution Of Coronavirus Mutations-NPR

Mutations in the new coronavirus could reduce the effectiveness of vaccines against it. But vaccines themselves can also drive viral mutations, depending on exactly how the shots are deployed and how effective they are. So far, vaccines still appear to work against the new strains – though scientists are warily watching a variant that first appeared in South Africa since it seems to reduce vaccine effectiveness. And evolution isn't standing still, so scientists realize they may need to update vaccines to keep them working reliably. NPR, 02/10/2021

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