Pfizer, Moderna Vaccines May Offer Less Protection Against South African Coronavirus Variant

Recent studies indicate that the Pfizer and Moderna coronavirus vaccines may have reduced protection against the South African coronavirus strain, according to reports in the New England Journal of Medicine, raising concerns that they could be less effective against future mutations.

Though both vaccines appeared to generate enough antibodies to neutralize the mutant strain, they both produced fewer antibodies when compared to the original virus. But experts warned that it was unclear just how much protection was needed to neutralize the variant, which scientists believe is more contagious than the original strain.

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