Astounding results out of Israel. Those vaccinated without previous infection had a 13x increased risk of breakthrough infection with Delta compared to the unvaccinated who had been previously infected, having developed natural immunity.https://t.co/zrDeeYrjf3 pic.twitter.com/yEcqdSURqQ
— Philip Soos (@PhilipSoos) September 17, 2021
— FinTwit (@wallsteetbets) September 16, 2021