After results are questioned, AstraZeneca says complete data shows its vaccine is still highly effective.

By BY REBECCA ROBBINS AND BENJAMIN MUELLER from NYT World https://www.nytimes.com/live/2021/03/24/world/covid-vaccine-coronavirus-cases/after-results-are-questioned-astrazeneca-says-complete-data-shows-its-vaccine-is-still-highly-effective?partner=IFTTT