Delaware has reported its first measles case in more than a decade, according to state health officials. The Delaware Division of Public Health said on July 20 that an unvaccinated man in Kent County tested positive for the virus.

The announcement marks a notable public health development for the state, where no measles cases had been reported in over 10 years. Officials identified the patient as an adult male and said he was not vaccinated, a detail that highlights the continuing risk of infection among people without immunization.

Measles is a highly contagious disease, and even a single confirmed case can prompt closer monitoring by health authorities. State officials typically use these announcements to alert residents, support contact tracing, and reduce the chance of additional spread.

The case is likely to renew attention on vaccination and disease prevention in Delaware, especially as public health agencies track potential exposures. With the state now reporting a confirmed infection after a long gap, measles prevention efforts are expected to remain in focus.