A medical worker wearing protective gear enters the treatment hall of a temporary hospital for coronavirus patients in the Krylatskoye Ice Palace in Moscow, Russia, Nov. 18, 2020. (AP)
“… all currently known variants of COVID-19 belong to the SARS-CoV-2 strain and have not mutated enough to either be classified as their own strain or be ineffective against current and prospective COVID-19 vaccines. …”