By Sally Robertson, B.Sc. Jul 12, 2021 Researchers in the United States have conducted a study demonstrating the real-world effectiveness of the Pfizer-BioNTech BNT162b2 and Moderna mRNA-1273 vaccines at preventing hospitalizations due to coronavirus disease 2019 (COVID-19). The prospective observational case-control study showed that the vaccines were approximately 87% effective at preventing COVID-19 hospitalizations. The...
