Kindergarten MMR vaccination coverage improved in Harris County during the 2025-26 school year, but rates across the Houston area have still not returned to where they were before the COVID-19 pandemic.

Following a measles outbreak in Montgomery County this summer, KPRC 2's ENOUGH team looked at how kindergarten vaccination rates have changed across the Houston area over the last 12 years.

The Montgomery County outbreak came a year after 207 confirmed measles cases spread throughout West Texas.