In a recent Morbidity and Mortality Weekly Report (MMWR) published on the United States Center for Disease Control and Prevention (US-CDC) website, researchers analyzed data from the Increasing Community Access to Testing (ICATT), a nationwide pharmacy program run in the US for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing.
New data for the bivalent COVID-19 booster shot shows that it cuts the risk in half for symptomatic infection from the now predominant Omicron subvariant, XBB.1.5.