Omicron: Evidence shows it evades immunity from earlier infection more than other variants Published By : indiatv : World (⏱ 11 Dec, 2021) Scientists are working around the clock to get a better understanding of the Omicron variant. Around the world, countries have imposed travel bans to mitigate the spread. South African scientists first announced that they had identified a new variant on November 25, 2021. Since then, cases of COVID have increased exponentially and South Africa has entered a fourth wave. 🔗 See Details