- Amid Measles Surge, Amish Country Opens Up to Vaccines Newser
- US measles cases top 4,800 as the disease surges in multiple states CIDRAP
- U.S. measles cases rise to 4,852 Honolulu Star-Advertiser
- US measles cases rise to 4,852, CDC says Reuters
- Measles continues to spread in Pa., reaching 44 counties PennLive.com