> The more effectively we prevent a crisis, the more people claim there was never a real threat. Best exemplified by the anti-vax movement. They don't see meas

> The more effectively we prevent a crisis, the more people claim there was never a real threat. Best exemplified by the anti-vax movement. They don't see measles anymore, so they think measles isn't a threat, and then they read some "alternative" health site saying that vaccines cause autism, and they don't vaccinate their kids.