Posted in Web Covid vaccine: Novavax says drug is more than 89% effective January 29, 2021 Biotech firm Novavax said Thursday that its coronavirus vaccine was more than 89% effective in protecting against Covid-19. The study also found that the vaccine appeared to be 85.6% effective … https://www.cnbc.com/2021/01/28/covid-vaccine-novavax-says-covid-vaccine-is-more-than-89percent-effective.html