[prottog]

Certainly by the time vaccine mandates came around, we had a pretty good idea of the contagiousness and lethality of the disease.

[hotpotamus]

At that point, they had also taken the caution tape off the playground by me. I'm unaware who mandated that. As far as I can tell, many aspects of the disease and vaccines are still quite controversial, though it seems to me that vaccines are helpful.