Philadelphia ranks 29th among U.S. counties most at risk for measles outbreaks

Philadelphia ranks 29th among U.S. counties most at risk for measles outbreaks – https://t.co/M0PKuYq5jZ https://t.co/0xoQTLh09Z pic.twitter.com/hcNy7TxcVu

— Philly Informer (@phillyinformer) May 15, 2019