[call_me_dana]

Or even worse than antivaxxers, the actual vaccinations being given in a mass rollout:

https://www.npr.org/sections/goatsandsoda/2020/08/25/9058847...

"It's actually an interesting conundrum. The very tool you are using for [polio] eradication is causing the problem"

[corty]

Yes, the oral polio vaccine is a live vaccine that can cause polio. More advanced vaccines, practically everything in use in developed countries nowadays, don't contain live virus. It's just that third-world countries cannot afford better vaccines.

So yes, you are right that there are some corner cases.