No new COVID-19 variants have emerged during China’s recent outbreak, analysis of cases in Beijing suggests
No new COVID-19 variants have emerged in China during the recent surge in infections since the country ended its zero-COVID policy, according to an analysis of cases in Beijing. The study, published in The Lancet, suggests two existing Omicron sub-variants, BA.5.2 and BF.7 – among the most dominant variants in Beijing during 2022 – accounted…