Fourth Measles Death Reported in Pennsylvania; Rare Neurological Complication Cited

Pennsylvania health officials have confirmed a fourth measles-related death, involving an 18-year-old resident of Mifflin County. The fatal complication was acute disseminated encephalomyelitis (ADEM), a rare and severe neurological condition that can develop following measles infection. ADEM causes inflammation of the brain and spinal cord and represents one of measles' most serious potential consequences. This case highlights the critical importance of measles vaccination and the serious health risks posed by vaccine-preventable diseases, particularly for unvaccinated populations.

Originally published on
Medical Xpress
Read full article(opens in new tab)Fetched: September 16, 2026 at 10:01 AM



