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- 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
- As the U.S. surpasses 1,000 confirmed measles cases, what does that mean for Pa.? Pittsburgh Post-Gazette
