Measles Outbreak News: Doctors Treat Illness Never Seen
The latest measles outbreak news from hospitals across the United States carries a warning doctors did not expect to be giving in 2026. A disease many American physicians have only read about in textbooks is back, in forms they have never treated. In Pennsylvania, the centre of the largest outbreak in the country, a specialist who had seen just two measles cases in more than thirty years has now cared for about fifty infected patients in a single year.
Adults are arriving with severe pneumonia. Pregnant women are falling ill. Babies are being born already infected. Clinicians are relearning how to recognise and manage an illness largely absent from American practice since the United States eliminated measles in 2000. More than 5,400 cases have been reported this year, more than double the 2025 total, in the worst measles year the country has seen in 35 years. This week, global health experts concluded the United States has lost its measles elimination status, an achievement that had stood for more than a quarter of a century.
CDC News: Measles in Adults Was Once Rare
For decades, measles was taught in medical schools as a disease that mainly affected children. Most people caught it in childhood, so by adulthood they were immune. That pattern held so long that an entire generation of doctors finished training without ever seeing a live case. Now the pattern has broken, and the illness in adults is often more serious than in children.
John Goldman, an infectious-disease specialist and epidemiologist at UPMC Harrisburg in Pennsylvania, has become one of the faces of that change. Goldman, 62, had seen only two cases of measles in more than thirty years as a physician. In the current outbreak he has helped care for about fifty infected patients in a single year, and he is seeing the disease behave in ways he never encountered before.
One man developed such severe measles pneumonia that doctors placed him on a ventilator to help him breathe. A woman hospitalised with sepsis, a life-threatening reaction to an infection unrelated to measles, turned out to have measles before she had even developed the characteristic rash. All of the patients in Goldman’s care recovered, but each case added to a body of experience that American medicine had largely lost. “There is a tremendous amount of what I would describe as learning on the fly,” Goldman said.
According to data from the Centers for Disease Control and Prevention, 41 percent of measles cases this year have been among adults aged twenty and older, up from 29 percent last year. Years of underimmunisation have left adults who were neither vaccinated nor infected as children still susceptible, weakening the community immunity that once stopped a single case from spreading. Robert Hopkins, medical director of the National Foundation for Infectious Diseases, put it simply: historically, most people were infected as children, “so as they got to adulthood, they were immune.” That protection no longer holds for those who missed both vaccination and childhood infection.
Public Health News: Pennsylvania’s Outbreak Shows the Scale
Nowhere is the scale clearer than in Pennsylvania, where the outbreak has grown into the largest in the nation. The state has recorded 1,542 cases and seven deaths, including one death reported on Friday, and its size has made once-rare complications visible in a way smaller clusters never could. For doctors elsewhere, Pennsylvania offers a glimpse of what they could encounter as measles spreads among susceptible populations.
The shift toward adult patients has been even more pronounced in Pennsylvania than nationally. Two-thirds of the state’s cases have been in adults, some as old as sixty, and the average age of the patients Goldman has seen is probably in the twenties or thirties. The outbreak has been heavily concentrated in the state’s Plain community, which includes Amish and conservative Mennonite groups. Many Amish families do not routinely seek preventive care, are self-insured, and tend to interact with the health system mainly when someone becomes sick or injured. As a result, people who decided not to be vaccinated decades ago remain susceptible today.
Goldman has been training younger physicians to recognise measles in people of all ages, starting with the basics: get vaccinated, know that you cannot spread the virus unless you are sick, and know that if you are vaccinated and pregnant, there is no risk to the baby. Then comes the harder part, teaching them what measles looks like and when to be suspicious. A rash starting on the face, a high fever, conjunctivitis or pink eye, and a cough are the classic symptoms. But early on, adults might not have the rash at all, and the illness can look like any other viral infection. “We had people suspicious of any rash,” Goldman said.
The same learning curve is visible in children’s hospitals. In Hershey, specialists at Penn State Health Golisano Children’s Hospital have been treating an influx of children with severe complications. Dr Patrick Gavigan, a paediatric infectious-disease physician there, told NBC News in October that he had expected measles to behave much like Covid-19 in children, mainly as a respiratory illness. Instead, it is causing serious complications beyond the lungs in many previously healthy children, including in the gut, liver and brain, and some have developed encephalitis, or inflammation of the brain. His team has cared for about twenty children with measles complications. Every child hospitalised with measles at Golisano Children’s had been unvaccinated.
Womens Health News: Pregnancy Adds Another Layer of Risk
As more susceptible people reach adulthood, doctors are also confronting a consequence that had become exceedingly rare: women contracting measles during pregnancy, putting themselves and their babies at risk. Women who catch measles while pregnant face an increased risk of serious illness, including pneumonia, as well as miscarriage, stillbirth and premature delivery, said Dr Kevin Ault, an obstetrician-gynaecologist at Penn State Health in Hershey, about thirty miles north-west of Lancaster County, the outbreak’s epicentre.
Since the outbreak began in late April, at least 101 pregnant women in Pennsylvania have been diagnosed with measles as of Friday, an increase of 24 cases in just three weeks, according to the state health department. Pennsylvania’s sixth measles-associated death was a 21-year-old woman who died after postpartum complications; her baby was healthy, the funeral director told The Washington Post. It is unclear how many of the women have miscarried or delivered babies with congenital measles, because state law bars the health department from releasing pregnancy outcome details, and there is no national database tracking such cases. The true numbers might be higher, because the outbreak has been centred in the Amish community, where many families have not sought conventional medical care.
Scientists at the CDC sought to send an urgent nationwide alert to clinicians about the risks and management of measles during pregnancy as cases increased, but the alert was not approved, The Washington Post previously reported. Last month, Pennsylvania health officials took the unusual step of issuing a statewide health alert specifically addressing rising cases of measles in pregnancy and measles passed on in the womb. The notice urged doctors to immediately report suspected infections and said women should be vaccinated against measles before becoming pregnant. The measles, mumps and rubella vaccine, known as MMR, cannot be given during pregnancy, which makes pre-pregnancy vaccination the only protection available.
Childrens Health News: Babies Born With Measles Face Unknowns
Some of the greatest unknowns involve the youngest patients: babies infected before birth or in the first months of life. If a woman contracts measles late in pregnancy, or gives birth prematurely, the baby might be born with congenital measles, Ault said. But much of what physicians know about the condition dates to the middle of the last century. Those data suggest about 30 percent of babies born to women infected during pregnancy develop congenital measles. What doctors are seeing in Pennsylvania appears consistent with that estimate. “I think they are seeing congenital measles about the rate you’d expect, about one-third of the time,” Ault said.
Still, those estimates predate modern diagnostic tools such as PCR testing and advanced imaging, and physicians might now find a whole new range of problems older case reports never captured. Children known to have been infected around the time of birth should be followed closely throughout childhood for developmental delays or learning disabilities, clinicians said. One serious concern is subacute sclerosing panencephalitis, or SSPE, a rare, progressive and almost always fatal brain disorder that typically emerges years after a measles infection. The risk is greatest among children infected at very young ages, and the disease can emerge sooner the younger a child was when infected.
Doctors estimate almost two dozen babies in Pennsylvania have either been born with the infection or became infected after delivery. Goldman said the UPMC hospital system in Harrisburg has treated at least a dozen such babies, with congenital infections, meaning they tested positive at birth, or neonatal infections, meaning they tested negative at birth but became infected after delivery. The Geisinger health system has had six congenital cases, and Children’s Hospital of Philadelphia has treated two infant cases. Pennsylvania does not track congenital measles as a separate category, because there is no national case definition, and the state and the CDC are working to develop definitions and tracking tools.
The hardest part for the doctors treating these babies is the questions they cannot answer. Measles in very young babies does not always look like the textbook illness: maternal antibodies, or immune globulin given after a known exposure, can lessen it, leaving a mild or unusual rash. Dr Alexandra Medoro, a neonatologist and paediatric infectious-disease physician at Children’s Hospital of Philadelphia, said paediatricians worry other babies’ infections are never recognised because their symptoms are subtle. “My biggest concern is not necessarily the loss to follow-up of the kids that we know about,” Medoro said. “It’s the lack of identification of kids that we can’t know about.” Even when babies recover, doctors have little evidence to tell parents what comes next. Medoro, the mother of a 10-month-old, said she cannot answer the questions parents ask in almost every difficult consultation: is my baby going to make it, and what will happen long-term? “Those are questions that I wish I had the answers to, too,” she said.
Vaccine News: What Doctors Say Comes Next
The doctors at the centre of the outbreak are clear about what would stop it. The MMR vaccine is one of the most effective vaccines ever developed. Two doses cut an exposed person’s chances of getting sick by 97 percent compared with someone unvaccinated, and when vaccination coverage in a community is high, the virus cannot find enough susceptible people to keep spreading. The return of measles is, at its root, a story about falling vaccination rates, driven by missed appointments, vaccine hesitancy, misinformation and gaps in access to care. The Covid-19 pandemic disrupted routine childhood immunisation schedules, and coverage in many communities never fully recovered.
For clinicians, the immediate work is practical. Hospitals facing outbreaks are retraining staff to spot measles early, isolate suspected cases quickly, and protect those most at risk, including pregnant women and newborns. The past year has shown how easily the disease can be missed: it can arrive without a rash, mimic a common cold, or hide behind another infection. Medical schools are being urged to teach measles recognition again, not as a historical curiosity but as a live clinical skill, and state health departments are being pushed to track measles in pregnancy and congenital measles properly, so the next outbreak does not leave doctors guessing how many babies were affected.
Medical News: Relearning a Disease America Thought It Had Beaten
Measles is one of the most contagious diseases known to medicine. It spreads through the air when an infected person coughs or sneezes, and the virus can linger in the air for up to two hours. Before vaccination, measles killed hundreds of American children every year, and it can cause pneumonia, brain swelling and death, as well as wiping out the immune system’s memory of other infections. The United States set its first goal of eliminating measles transmission in 1978, and it took more than two decades of vaccination campaigns to achieve it. The status was declared in 2000, and for a generation it held.
That achievement is now gone, and the doctors treating the outbreak are the ones paying the price. They are relearning a disease their predecessors had beaten, caring for patients their textbooks told them they would never see, and answering questions from parents that medicine cannot yet answer. The country eliminated measles once, and the clinicians on the front lines say it can do so again, but only with the same combination of high vaccination coverage, careful surveillance and sustained commitment that achieved the feat the first time. Until then, the learning on the fly continues, one patient at a time.
Source: The Washington Post