US measles cases hit 35-year peak

Measles cases across the United States have reached 2,295, surpassing the prior year's total and marking the highest number recorded in 35 years. The surge is concentrated in low-vaccination states and California, where 93% of cases are linked to outbreak clusters.

This is a long-running storyline that has developed over 14 days. The homepage highlights its most recent activity, so the outlet count there reflects the latest wave. The totals above cover the full run.