- Growing measles outbreak in Texas pushes U.S. cases above 520 NBC News
- Multistate measles outbreak crosses 450 cases, with possible international spread CNN
- Nearly 500 confirmed cases of measles across 19 US states, says CDC The Guardian US
- Measles outbreak worsens as Texas, New Mexico cases rise 20% in 3 days Reuters.com
- Measles vaccine: Can young children get an early dose of the MMR shot? NBC News