Home » National Institutes Of Health » NIH » Science and Research » U.S. Measles Tracker U.S. Measles Tracker January 18, 2026 Medline-NIH Off National Institutes Of Health, NIH, Science and Research 000000000000Source: Johns Hopkins Bloomberg School of Public HealthRelated MedlinePlus Pages: Measles Read Original Article: U.S. Measles Tracker » Previous: Rubella Symptoms and Complications Next: How to Protect Your Children during a Measles Outbreak About The Author Medline-NIH