Measles kills 18-year-old in PA, 4th death as state outbreak nears 700 cases

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/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social