[dogsgobork]

Since smallpox was eradicated over 40 years ago and most people alive today have not been vaccinated against it, I doubt it would matter much.

[bitwize]

Smallpox is one heist away from being unleashed on the world again, if that. And with most people unvaccinated, well... there's your bioweapon.

[Dylan16807]

Then you don't need to remove any immunity, right?