AdvertisementArizona Legislature Mulls Bills To Weaken Vaccination RequirementsMarch 05, 2019Will StonefacebookEmailThe multistate measles outbreak in 2015 led pediatricians in Scottsdale, Ariz., to warn patients they might be exposed during office visits. The state's medical associations oppose legislation that would make it easier for parents to opt out of school vaccinations for their kids. (AP)