Could wearing two masks be better than one? The emergence of new and more infectious COVID-19 variants has led health
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Africa CDC: New virus variant appears to emerge in Nigeria
Another new variant of the coronavirus appears to have emerged in Nigeria, Africa’s top public health official said Thursday, but
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Clues to COVID-19 coronavirus’s vulnerability emerge from an antibody against SARS
An antibody recovered from a survivor of the SARS epidemic in the early 2000s has revealed a potential vulnerability of
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