Big gap between Pfizer, Moderna vaccines for preventing Covid hospitalizations
Big gap between Pfizer, Moderna vaccines for preventing Covid hospitalizations
Sep 19, 2021, 2:21am UTC
https://www.post-gazette.com/news/health/2021/09/18/Big-gap-between-Pfizer-Moderna-vaccines-seen-for-preventing-COVID-19-hospitalizations/stories/202109180045