The Return of the Preventable

Measles and pertussis were near-floored during the pandemic years, when kids were home and borders were quiet. Both have since snapped back hard. Mumps, the third of the MMR-preventable trio, has barely moved - a reminder that the surges are specific, not a blur. Each panel keeps its own scale.

Measles does not spread evenly - it finds the pockets where vaccination has slipped. Texas alone reported 803 cases in 2025, the core of a Southwest cluster. The map shades each state's count; the table below keeps the exact ranked figures.

Hover a state for its 2025 measles count

State table - the ten hardest-hit, ranked

State	Measles 2025	Measles 2024	Pertussis 2025
Texas	803	0	1,805
Arizona	206	5	981
Utah	178	0	344
South Carolina	123	1	258
New Mexico	99	2	128
Kansas	91	0	246
California	48	15	1,703
New York	48	15	1,117
Colorado	40	0	1,141
Ohio	39	7	1,334

Measles = Indigenous + Imported, provisional year-end NNDSS counts · Fixed classes · Darker = more cases · New York folds in New York City · 50 states + DC

Nine conditions with a vaccine behind them. Some are climbing, some are quiet, one - rubella - is holding at zero. Where a year reads n/a the disease was not nationally notifiable then, so the count is unknown, not zero. Each row's bars are scaled to its own peak.

Provisional year-end NNDSS counts, national totals (TOTAL row). Measles sums Indigenous + Imported. "Direction" compares the first available year with 2025.