Since the first Omicron cases were detected on... ... Omicron Coronavirus Cases News Highlights 13 December 2021: 2 more Omicron cases in Maha; India tally 40

Since the first Omicron cases were detected on Nov. 27 in the United Kingdom, Prime Minister Boris Johnson has imposed tougher restrictions and told the nation on Sunday that a "tidal wave" of Omicron was coming