A 40-year-old woman in Pennsylvania has died from complications related to measles, marking the state’s third measles-associated death this year. The woman, a resident of Jefferson County, died on Saturday, according to county Coroner Greg Furlong, who shared the news on Facebook. Furlong described the loss as "heartbreaking" and emphasized that measles can be a serious and potentially life-threatening illness, even for adults. No further details about the woman will be released, as the coroner’s office respects the privacy of the family. Pennsylvania health officials have acknowledged the death and are conducting a thorough review of the case. They said they will share more information when it becomes available. So far this year, the state has confirmed 676 cases of measles across 37 counties, with 124 people hospitalized. According to officials, fewer than 1% of those infected had been fully vaccinated, highlighting the role of vaccination in preventing the disease. This is the third confirmed measles-related death in Pennsylvania this year. The first two involved infants, according to Lancaster County Coroner Dr. Stephen Diamantoni. Measles typically begins with symptoms like fever, cough, runny nose, and watery eyes, followed by a rash. However, it can lead to serious complications such as pneumonia or brain swelling, which can be life-threatening. The Jefferson County coroner’s office is working with state health officials to investigate the case further. The U.S. is experiencing its worst measles outbreak in 35 years, with over 3,200 confirmed cases nationwide in 2026, according to the Centers for Disease Control and Prevention (CDC). Pennsylvania has seen a significant portion of these cases, with outbreaks concentrated in areas like Lancaster and Mifflin counties, where large farming communities are located. Measles is one of the most contagious diseases, spreading easily through the air and affecting up to 20% of unvaccinated individuals with severe illness. Public health officials and local coroners have warned that measles can affect people of all ages, not just children. Deputy Coroner Jason Stiver of Jefferson County emphasized that the disease can lead to serious respiratory illness, hospitalization, and in rare cases, death. He urged residents to follow public health guidelines and take steps to protect themselves and their families. While severe cases are uncommon, this outbreak has underscored the importance of vaccination and awareness.