So far, six major vaccines have shown promising results in protecting people against COVID-19. Pfizer Moderna Oxford Novavax Valneva SputnikV Sinovac Pfizer Pfizer-BioNTech (mRNA) After conducting their
Tag: vaccine
Analysis of mRNA vector efficacy
METHODS In an ongoing multinational, placebo-controlled, observer-blinded, pivotal efficacy trial, we randomly assigned persons 16 years of age or older in a 1:1 ratio to