Johns Hopkins University

“Lancaster County has recorded 180 cases in 2026, according to the outbreak tracker published by Johns Hopkins University last updated on Tuesday”

“only one confirmed case in 2025.”

“Johns Hopkins ended its legacy preference in 2014.”

“According to John’s Hopkins University’s U.S. measles tracker, 2,295 cases have been reported, with 93% occurring in those unvaccinated or whose vaccination status is unknown.”