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Could new COVID variants undermine vaccines? Labs scramble to find out Researchers race to determine why lineages identified in Britain and South Africa spread so quickly and whether they’ll compromise vaccines. As concern grows over faster-spreading variants of the SARS-CoV-2 coronavirus, laboratories worldwide are racing to unpick the biology of these viruses. Scientists want to understand why variants identified in the United Kingdom and South Africa seem to be spreading so quickly, and whether they might diminish the potency of vaccines or overcome natural immunity and lead to a spate of reinfections.(more)
