WEST CHESTER, PA — Chester County’s measles outbreak has slowed to just two new cases over the past two weeks, bringing its cumulative total to 94 even as the county remains Pennsylvania’s third-hardest-hit and the statewide outbreak has reached 1,467 confirmed infections, according to West Chester Patch.
The slowdown marks a significant change for Chester County, which had been among the state’s major centers of measles transmission for months, with the outbreak disrupting local schools and prompting public health responses.
Despite the slower growth, Chester County trails only Lancaster County, with 504 confirmed cases, and Mifflin County, with 205, in cumulative infections.
The latest figures indicate that local transmission has diminished, although the two additional infections demonstrate that the outbreak remains active.
Statewide, Pennsylvania has recorded 1,467 confirmed cases across 45 counties, along with 283 hospitalizations and six measles-associated deaths, according to the Pennsylvania Department of Health.
The sixth death involved an unvaccinated resident of Jefferson County, not Chester County.
State health officials reported that only five of Pennsylvania’s confirmed measles cases involved vaccinated individuals.
The statewide figures underscore the continuing public health consequences of the outbreak, even as Chester County experiences a reduction in newly reported infections.
Measles is a highly contagious viral illness that can spread rapidly among susceptible individuals, particularly in schools and other settings where people gather in close proximity.
Chester County’s outbreak has already affected area school districts, including a temporary high school closure earlier this fall.
The recent decline in new cases could ease some immediate pressure on schools and local public health operations, although continued transmission means exposure prevention and vaccination remain important.
The Pennsylvania Department of Health has maintained vaccination and disease surveillance efforts since the outbreak began in April.
More than 6,800 vaccinations have been administered through 241 pop-up clinics statewide during that period, according to figures reported by West Chester Patch.
“While daily numbers fluctuate, tracking these trends provides Pennsylvanians and health care providers with visibility into community transmission across the Commonwealth and helps inform DOH’s ongoing robust response,” the Department of Health stated in its Thursday update, as reported by West Chester Patch.
State health officials continue encouraging residents who have not been vaccinated against measles to obtain immunization.
Vaccines are available through pharmacies, health care providers, county and municipal health departments, and Pennsylvania Department of Health State Health Centers.
For Chester County, the immediate development is the substantial reduction in newly reported infections rather than the statewide increase in cumulative cases.
With 94 confirmed infections, however, the county remains among Pennsylvania’s most affected jurisdictions, and the latest numbers do not establish that local transmission has ended.
Residents can access Chester County’s measles outbreak information and public health resources at https://www.chesco.org/6019/Measles-Outbreak.
For additional reporting on Chester County’s declining case growth and the statewide outbreak, read the full West Chester Patch article at https://patch.com/pennsylvania/westchester/where-measles-outbreak-stands-chester-co-6th-death-reported-pa.
Support the local news that supports Chester County. MyChesCo delivers reliable, fact-based reporting and essential community resources—free for everyone. If you value that, click here to become a patron today.