Pennsylvania health officials confirmed 89 new measles cases in the state in the last seven days, an escalation of a rapidly growing measles outbreak that’s affecting more than two dozen counties.
As of Thursday, Pennsylvania had reported the third-highest number of measles cases in the country for 2026, behind Utah and South Carolina, according to data from the Centers for Disease Control and Prevention.
Delaware has reported 22 cases this year, the first time in a decade that the highly contagious disease has been diagnosed in state residents. New Jersey has confirmed one case.
In Pennsylvania, children made up about one-third of the 379 patients diagnosed with measles in two separate outbreaks so far this year, state officials say. None of the patients diagnosed with measles this year has been fully vaccinated…