Last year [Italian postal police, who investigate online crime] shut down a Facebook page that organised “measles parties” so that parents could expose their children to the disease in an attempt to immunise them naturally. “Unfortunately it’s a fact that Italy has a coverage of measles that is similar to Namibia,” said Roberto Burioni, a professor of microbiology and virology at Vita-Salute San Raffaele University in Milan.
via https://www.theguardian.com/world/2018/jul/11/rise-of-italian-populist-parties-buoys-anti-vaccine-movement