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People Are Talking About A 'Double Mutant' Variant In India. What Does That Mean?

Like all viruses, the coronavirus mutates. Above: In this depiction of the the South African coronavirus variant B.1.531, the thin yellow band around the rim of indicates a mutation site. The virus spike (red) is attaching to a human cell receptor (blue). (Juan Gaertner)
Like all viruses, the coronavirus mutates. Above: In this depiction of the the South African coronavirus variant B.1.531, the thin yellow band around the rim of indicates a mutation site. The virus spike (red) is attaching to a human cell receptor (blue). (Juan Gaertner)

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