Moderna says its vaccine is 94.5% effective in preventing Covid-19

Moderna says its vaccine is 94.5% effective in preventing Covid-19 Moderna Inc said on Monday its experimental vaccine was 94.5% effective in preventing Covid-19 based on interim data from a late-stage clinical trial, becoming the second U.S. company in a week to report results that far exceed expectations. https://ift.tt/eA8V8J