[mewzilla]

It was stamped out when people were immune.

Vaccination isn’t the only route to immunity, nor is it always the best.

[DugwayDuke]

mewzilla wrote: “Vaccination isn’t the only route to immunity, nor is it always the best.”

There are two routes to immunity.
You can get vaccinated.
You can catch measels.
Catching measels isn’t the best route.