Ars Technica Follow 18-year-old dies of measles in PA from severe neurological complication Teen developed acute disseminated encephalomyelitis, a known measles complication. https://arstechnica.com/health/2026/09/measles-kills-18-year-old-in-pa-fourth-death-as-state-outbreak-nears-700-cases/ arstechnica.com
