Bivalent BA.4-5 or BA.1 mRNA-booster given as a fourth dose associated with increased protection against COVID-19 hospitalization and death
In a recent study posted to the withRxiv* preprint server, researchers compared the efficiency of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron BA.4-5 and BA.1 bivalent messenger ribonucleic acid (mRNA)-booster vaccines. Study: Comparative effectiveness of the bivalent BA.4-5 and BA.1 mRNA-booster vaccines in the Nordic countries. Image Credit: Firn/Shutterstock Background A few clinical … Read more