Newshour - Omicron: Will existing Covid vaccines continue to be effective? - ÃÛÑ¿´«Ã½ Sounds

Newshour - Omicron: Will existing Covid vaccines continue to be effective? - ÃÛÑ¿´«Ã½ Sounds
Omicron: Will existing Covid vaccines continue to be effective?
South African scientists have undertaken sequencing on the virus and observed 50 mutations