U.S. Measles Outbreak Tops 200 Cases as Second Death Investigated Health herd immunity HHS Measles public health Robert F. Kennedy Jr. Uncategorized vaccination vaccines Vitamin A U.S. Measles Outbreak Tops 200 Cases as Second Death Investigated admin March 7, 2025 12 U.S. states now have confirmed measles cases. Read More Read more about U.S. Measles Outbreak Tops 200 Cases as Second Death Investigated