Clark County Public Health announced six new measles cases on July 25, 2026, all involving unvaccinated children exposed in private settings. The cases are unrelated to the July 22 case reported earlier this month.
Thirteen of 15 total measles cases this year in Clark County have been unvaccinated, with vaccination status unknown for two others. The MMR vaccine is 97% effective with two doses, and measles spreads easily through the air after coughing or sneezing. Public Health advises those with symptoms to contact a healthcare provider before visiting to prevent further spread.
The Clark County Public Health measles investigation webpage provides more details. No new public exposure locations have been identified.