- How did nine children die in a 1991 Pennsylvania measles outbreak? Pittsburgh Post-Gazette
- A newborn baby was one of Pa.’s two measles-related deaths, state says as RFK Jr. questions whether they were ‘fabricated’ Inquirer.com
- Lancaster County coroner disputes measles connection in infant death WGAL
- Political feud between Gov. Shapiro and Robert F. Kennedy Jr. erupts into high-stakes battle over vaccine safety Pittsburgh Post-Gazette
- Two Unvaccinated People Died From Measles in Pennsylvania, Officials Say The New York Times