- Health officials report 74 new measles cases in Pennsylvania ABC News – Breaking News, Latest News and Videos
- Pa. measles outbreak is nation’s worst, echoing deadly 1991 Philadelphia epidemic Inquirer.com
- PA measles outbreak tops 1,000 cases, largest since disease was eliminated Ars Technica
- Amid worst measles outbreak in decades, one clinic leans on years of hard-won trust to keep vulnerable people safe CNN
- Pennsylvania has surpassed 1,000 measles cases. Here’s how Centre County is faring Centre Daily Times