CDC now calls coronavirus Delta variant a ‘variant of concern’ – CNN Guidance: SARS-CoV-2 Variant Classifications and Definitions – Centers for Disease Control and Prevention   Commentary on Twitter BREAKING—CDC now officially declares #DeltaVariant a “variant of concern”—because much more transmissible (50% faster than #B117, 2x than original strain), more severe (2.5x hospitalization risk than […]

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