
As the United States mourns one million deaths from COVID-19, a new study indicates the grim tally could have been worse. Use of the Pfizer-BioNTech COVID-19 vaccine prevented more than 110,000 deaths and 690,000 hospitalizations in the United States in 2021, researchers report. The vaccine also prevented 8.7 million symptomatic cases of infection and saved… read on > read on >