AstraZeneca REVISES its COVID-19 vaccine data

[السياسي]

AstraZeneca said it had recalculated data from that study and concluded the vaccine is 76% effective in preventing symptomatic COVID-19 - instead of the 79% it had claimed earlier in the week.

https://www.dailymail.co.uk/news/article-9400513/AstraZeneca-confirms-strong-vaccine-protection-US-rift.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]