Two people in Lancaster County, PA have died of measles. They were the first to die in Pennsylvania in 35 years, and the first reported in the US this year.
Both people were unvaccinated. NBC reports that vaccination rates in the county have dropped from 95.5% in 2017 to 87.6% in 2025: https://www.nbcnews.com/health/health-news/measles-pennsylvania-deaths-two-outbreak-rfk-jr-rcna594296 The CDC says "Because measles is so contagious, it can easily... cause outbreaks in any community where vaccination coverage rates are below 95%." https://www.cdc.gov/global-measles-vaccination/about/index.html