- Measles outbreak surpasses 1,000 cases for the first time in 30 years New York Post
- The U.S. has 1,001 measles cases and 11 states with outbreaks: Where the virus is spreading NBC News
- Measles math: What to know about 1,001 measles cases across the country : Shots – Health News NPR
- US surpasses 1,000 measles cases for 1st time in 5 years: CDC ABC News
- Measles hits 1,000 cases — for the second time in 30 years Politico