Experts Rally to Speed Up Vaccination Around the World

A roundup of the most important Covid-19 vaccine news this week

Credit: SEBASTIEN BOZON / Getty Images

There are now 20 vaccines in Phase 3 trials, seven approved for limited use, and three approved for full use in some countries after fully completing Phase 3 trials: Pfizer-BioNTech, Moderna, and Oxford-AstraZeneca (in the U.K. only).

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