Waning immunity seems to affect only the probability of getting infected.
Vaccine effectiveness against serious disease, hospitalization, and death are still very high.
So, maybe boosters won't be for everyone
Israel has boosted 2.8 million people as of Sept 2021, a little more than half the vaccinated population. Total vax eligible population is 7 million, but some of them are not vaxed, thus can't take the 3rd booster.
