UKHSA: Risk assessment for Omicron BA.2 The latest risk assessment of the BA.2 strain from the UKHSA. More... January 29, 2022February 18, 2022 Coronaheadsup.com B.1.1.529, BA.1, BA.2, Coronavirus, England, Health, Hospitalization, Infection, London, Northern Ireland, Omicron, Scotland, Transmission, UK, Vaccine, Vaccine Breakthrough, Wales