New versions of Omicron are masters of immune evasion | Science | AAAS Moderna scraps vax supply deal with COVAX for new 2023 agreement New York COVID update Friday, June 23 A more contagious omicron strain has scientists fearing another Taiwan receives new shipment of Moderna vaccine against Omicron BA New COVID 19 Variants May Evade Vaccine Protection | Time Omicron BA.2 variant: Here’s what we know so far | World Economic Coronavirus Pandemic: Covid News: U.S. Hospitalizations Break Impact of COVID 19 on International Flights Weekly Update