What you need to know about the coronavirus in the world right now (March 25th)

AstraZeneca says vaccine 76% effective in new analysis, Brazil passes 300,000 Covid-19 deaths., German cases jump by most since early January. More than half of Israelis have had both vaccine doses. Rapid antigen tests work as well as quarantine for safe travel.

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new analysis of its U.S. trial - only slightly lower than the level in an earlier report this week criticised for using outdated data.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 . . .

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