NPR

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

COVID-19 vaccines appear to work against the new coronavirus strains, though scientists are warily watching a variant first seen in South Africa. Vaccines may need updates to keep pace with the virus.
A person receives a COVID-19 shot in Federal Way, Wash., at a vaccination clinic for the Pacific Islander Community Association of Washington held on Feb. 4.

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.

What's going on here is somewhat similar to a larger, and more concerning

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