Israel reveals Pfizer vaccine has stopped 94% of recipients getting symptoms in study of 1.2m people
Daily Mail
The experiment took place between December 20 and February 1 - a period when the British mutant strain was rampant in Israel, making the vaccine's performance all the more impressive.
https://www.dailymail.co.uk/news/article-9298733/Israel-reveals-Pfizer-vaccine-stopped-94-recipients-getting-symptoms-study-1-2m-people.html?ns_mchannel=rss&ns_campaign=1490&ito=1490