Moderna’s COVID vaccine reports 95% efficacy. It means we might have multiple successful vaccines
Moderna's COVID vaccine reports 95% efficacy. It means we might have multiple successful vaccines
Magdalena Plebanski, RMIT University and Vasso Apostolopoulos, Victoria University
American biotech firm Moderna has released early results from its phase 3 clinical trials, announcing in a press release on Monday (US time) that its COVID vaccine has an efficacy of 94.5%, according to an “interim analysis” by an independent data and safety monitoring board.
Here’s how the percentage was calculated. First, there are two groups in the study: the vaccinated group, who received the candidate vaccine, and the placebo group, who received a shot of salt water.
Among 30,000 trial participants, 9...