Vaccines developed by US companies Pfizer/BioNTech and Moderna are producing fewer antibodies against the coronavirus mutation that has emerged in South Africa, according to studies reported in the New England Journal of Medicine.
A lab study jointly conducted by Pfizer/BioNTech and researchers at the University of Texas in Galveston showed that the neutralization of the South African strain “was weaker by approximately two thirds,” but concluded that it was “unclear what effect” that would have on protection the vaccine provided from the disease. This is according to the letter by the researchers published on Wednesday in NEJM, the oldest US medical journal.
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