This happened despite vast gains in scientific knowledge during the past century
Moderna Vaccine Top for Protection Against COVID-19 Hospitalization
Vaccine effectiveness higher for Moderna than Pfizer-BioNTech vaccine; both mRNA vaccines have higher VE than Janssen
One-Third Have Symptoms Two Months After SARS-CoV-2
Higher numbers of distinct sequelae reported by those aged 40 years and older, women, Blacks, those with known preexisting conditions
Booster Dose of J&J COVID-19 Vaccine May Increase Immunity
New research indicates two doses of the vaccine boosts immunity from 74 to 94 percent