“De Blasio decried anti-vaxxer misinformation campaigns targeting parents, and the health commissioner warned parents were having ‘measles parties’ to infect their children with measles and to naturally immunize them — and avoid the vaccination.” Buzzfeed: New York City Parents Held Measles Parties To Infect Unvaccinated Children. (When the piñata breaks, run.)

+ “Vaccines contain monkey, rat and pig DNA as well as cow-serum blood, all of which are forbidden for consumption according to kosher dietary law.” NYT: How Misinformation Is Driving the Measles Outbreak Among Ultra-Orthodox Jews.