RIO DE JANEIRO, BRAZIL - Here’s what you need to know about the coronavirus right now:
AstraZeneca says vaccine 76% effective in new analysis
AstraZeneca said its COVID-19 vaccine was 76% effective in a new analysis of its U.S. trial - only slightly lower than the level in an earlier report this week criticised for using outdated data.
Interim data published on Monday had put the vaccine’s efficacy rate at 79% but had not included more recent infections, leading to a highly unusual public rebuke from U.S health officials.
The small revision to the efficacy . . .