Coronavirus
Coronavirus
Out of context: Reply #4584
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A new lab study shows troubling signs that Pfizer's and Moderna's COVID-19 shots could be far less effective against the variant first found in South Africa.
Pfizer's and Moderna's shots were at least 10 times less effective against variant in a new study.
Researchers tested the vaccines on a variant first found in South Africa, which is now in 20 states.
A mutation on the variant called E484K appeared to be a "major contributor," the study authors said.