“Much of the media and policy conversation about the outbreak has focused on fake news and social media. If only Facebook could banish false vaccine posts, the problem of vaccine hesitancy would go away. But that narrative ignores a crucial part of the anti-vaccine problem in America today. Measles in Washington — like many recent measles outbreaks in the US — has been spreading in a particular type of community: tight-knit and traditional.” Julia Belluz explains why shutting down anti-vax messaging on social networks might not be enough once word of mouth takes over. Why the Washington measles outbreak is mostly affecting one specific group.

+ The Daily Beast: Measles Rages in Brooklyn as Some Yeshivas Defy Vaccine Rule.