SARS-CoV-2 Omicron variant - Wikipedia
https://en.wikipedia.org/wiki/SARS-CoV-2_Omicron_variantSuper Contagious Omicron Mutant BA.2.75 Worries Scientists | Time
https://time.com/6195495/covid-omicron-variant-mutant-contagious-ba2-75/