Yeah, any effort to study antivaxxers as a monolithic group is doomed to fail. There are several groups, and the Venn diagram would look like a spirograph drawing. There are the special snowflake, “vaccinate your child so I don’t need to vaccinate mine,” the right wing “I own my child, you have no right to say what I should do,” the bipartisan “body purity” group, the mostly left wing “anything touched by pharma is evil,” and a multiplicity of conspiracy theorist groups that defy chatacterization. I have a pretty respectable track record of convincing the hesitant to get at least the most vital vaccinations, but the limiting factor generally is time. I need to be able to sit and talk with them, and it goes on for sometimes an hour or more. Needles to say, this is not great for my productivity. But it has to be done. Unfortunately, the antivaxxers spread virally on the interwebs, and bringing them down off the ledge is generally a one-on-one process. I suspect that unless kids die much more frequently (pertussis already takes some babies each year needlessly) there will just not be the groundswell we need. And I refuse to cheer for more dead babies.