or perhaps not...
This is wonderful news. The Israeli researchers now have 3.4 million person-days of data for the boosters. That's a lotta data! It is definitive proof that the booster restores immunity from the initial infection, back to the ~95% level. Immunity against serious illness and death never attenuated. See also this tweet linked to the article:
I have been saying for some time that the Israeli doctors and researchers seem unfazed. They seemed to think the situation remained under control, despite the surge in cases. There was no proportional surge in deaths. I thought perhaps they were too confident. Now we see they were right, and a booster will bring things back under control.
There is a lot of good data from Israel. The author at COVID-19 Data Science has looked closely at it, and he wrote two excellent article about it, and several articles about UK data. People should read everything this author has to say: