UK Scientists Worry Vaccines May Not Protect Against South African Coronavirus Variant
UK scientists have expressed concern that COVID-19 vaccines being rolled out in Britain may not be able to protect against a new variant of the coronavirus that emerged in South Africa and has spread internationally. From a report: Both Britain and South Africa have detected new, more transmissible variants of the COVID-19-causing virus in recent weeks that have driven a surge in cases. British Health Secretary Matt Hancock said on Monday he was now very worried about the variant identified in South Africa. Simon Clarke, an associate professor in cellular microbiology at the University of Reading, said that while both variants had some new features in common, the one found in South Africa "has a number additional mutations ... which are concerning." He said these included more extensive alterations to a key part of the virus known as the spike protein -- which the virus uses to infect human cells -- and "may make the virus less susceptible to the immune response triggered by the vaccines." Lawrence Young, a virologist and professor of molecular oncology at Warwick University, also noted that the South African variant has "multiple spike mutations."
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