If the COVID virus is still prevalent then post-vaccine booster shots are not necessary: If the virus is prevalent then we’re constantly being infected with it in everyday life anyway.
On the other hand, suppose the pro-booster crowd’s response to that is that you need a booster because you probably go 6 months without encountering the virus. Well, if the average person goes 6 months without encountering the virus, the virus has disappeared; the pandemic is over.
Neurotoxin 