- Texas measles outbreak grows as officials warn of rising activity in North America University of Minnesota Twin Cities
- Measles vaccinations are increasing in some areas hit hard by cases: Officials ABC News
- Measles Can Hide in the Brain—And Four Other Facts That Might Surprise You Scientific American
- Measles outbreak is growing. Are there cases in your state? See maps USA TODAY
- Measles cases rise to 370 in Texas and New Mexico, say state health departments Reuters