Got a link?
Haven’t seen that but assume the number refers to deaths, not infections.
Can’t find my 79% study, but here’s one (British) that says 84% lower risk of infection:
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00675-9/fulltext
Sorry, but I can’t figure out how to copy link from my phone, lol, but if you Google “Covid natural immunity study Israel” it will pop up.