Omicron variant: Check origin, scientists opinion, travel curbs. Details here
Omicron variant: Scientists know that omicron is genetically distinct from previous variants including the beta and delta variants, but do not know if these genetic changes make it any more transmissible or dangerous
South African scientists identified a new version of the coronavirus that they say is behind a recent spike in COVID-19 infections in Gauteng, the country's most populous province.
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