Alarming numbers here from Israel in Pfizer briefing docs ahead of Friday FDA mtg on boosters. Key is last point, on protection against severe disease: for 65+, dropped to <60% in late June/Aug for those vaccinated in Jan/Feb: pic.twitter.com/jQM7KFSLrx
— Meg Tirrell (@megtirrell) September 15, 2021
h/t callmebaiken