Of additional concern, BA.2.75 may differ antigenically from BA.2. The receptor-binding domain of the spike (S) protein of SARS-CoV-2 is capable of inducing neutralizing antibodies and is the major ...
After a brief two-month plateau, COVID-19 cases are rising again in the United States, propelled by the Omicron BA.2 subvariant and its more transmissible descendants. The uptick has experts worried, ...