[khuey]

Sterilizing immunity probably wasn't real, and we just didn't have the technology to know better back in the day: https://www.theatlantic.com/science/archive/2021/09/steriliz... Plenty of after-vaccination cases of measles have been documented in modern times. Obviously nobody is going around giving people smallpox to test that one.

[tick_tock_tick]

> Post-vaccination measles infections, though still uncommon, are much more “regularly observed” than they were once believed to be, Griffin said.

99.99% is close enough for me in terms of a sterilizing immunity.

> Eventually, all discussions about sterilizing immunity become nerdy quibbles over semantics.

I think the article nails it very clearly we have made vaccines that are for all effective purposes sterilizing. Some people might argue over the world choice but our COVID vaccines are not in the same league as these.