Tag Archives: covid vaccine

So Far the efficacy data has been presented. As reported in the press earlier, the vaccine is roughly 95% effective, that is roughly 95% of people who got Covid 19 during the trial were participants who received the placebo. Importantly, the null hypothesis that just one dose is just as good as two was not rejected. The test of this null had extremely low power as almost all participants received both doses, so basically this means cases less than...