What do you do with well-intentioned anti-vaxxers?

Natural parenting goes hand in hand with caring about health, breaking away from the mainstream, and a lot of abstention. That could be abstaining from spanking, eating meat, using disposable products, sleep training, but one area it does not have to include is modern medical care, especially vaccination. But in the natural parenting community that isn’t always the case. So all those well-known voices in the natural...