Allegheny County health officials have issued a warning about possible measles exposure at UPMC Children’s Hospital of Pittsburgh after two individuals who visited the facility tested positive for the disease. The alert, released on Tuesday, identifies several high‑traffic locations within the hospital where exposure may have occurred, including the main lobby, third‑floor waiting and clinic areas, the cafeteria and elevators.
Extent of the exposure
According to Dr. Donald Yealy, UPMC’s chief medical officer and chair of its emergency medicine department, the incident involved a child and the child’s two parents who were at the hospital for a scheduled visit. While Dr. Yealy declined to confirm whether the visit was directly related to measles, he emphasized that “hundreds of people” were potentially exposed, describing the number as larger than anything the hospital has seen before.
Specific time frames and locations were listed by the health department: the Giraffe/Hippo waiting room on the third floor between 1 p.m. and 4 p.m., the Giraffe Clinic on the same floor between 2 p.m. and 5 p.m., the cafeteria on the third floor between 3 p.m. and 5 p.m., the main lobby on the first floor between 1 p.m. and 5 p.m., and the Grape/Purple elevators between 1 p.m. and 5 p.m. The department warned that exposure could have occurred during those periods on Thursday.
Background and previous cases
This notification marks the third confirmed measles case linked to UPMC Children’s Hospital, according to the Allegheny County Health Department. The first case in the county since 2019 involved a Jefferson County resident who was diagnosed on Aug. 20 after visits to the hospital on Aug. 12 and Aug. 18. The two new patients are non‑residents of Allegheny County, though officials have not disclosed their home counties.
State health department spokesman Barry Ciccocioppo also indicated that the origins of the Thursday cases remain unknown. The health department’s website confirms that this is the first confirmed measles case in Allegheny County in several years.
Public health guidance
Measles is a highly contagious viral illness that infects the lungs and spreads through respiratory droplets when an infected person breathes, coughs or sneezes. The virus can linger in the air and on surfaces for up to two hours after the infected individual has left an area. A person with measles can transmit the virus four days before and four days after the characteristic rash appears.
Symptoms typically develop seven to 21 days after exposure and include fever, cough, runny nose, red watery eyes and a rash that begins on the head or face before spreading downward. The Allegheny County Health Department is urging anyone who was in the identified locations to verify their measles, mumps and rubella (MMR) vaccination status and to contact a healthcare provider for guidance.
Dr. Yealy noted that individuals who have received the MMR vaccine are “nearly always immune” to measles, while unvaccinated people face a high risk of infection and complications. He advised those who suspect exposure to call ahead before visiting the hospital to reduce the chance of further spread.
The two new cases are part of a broader measles outbreak in Pennsylvania that has affected nearly 500 people this year. None of the reported cases were fully vaccinated. Approximately half of the statewide cases have occurred in Lancaster County, with significant clusters also reported in Mifflin, Snyder, Jefferson, Centre and Clearfield counties.
Health officials continue to monitor the situation closely and are working with UPMC to notify patients and staff who may have been exposed. The public is reminded that vaccination remains the most effective preventive measure against measles and that prompt medical consultation is essential for anyone who believes they may have been exposed.
Steve Lopez is a Senior Editorial Columnist and Health & Public Policy reporter for News Raise. Steve focuses on healthcare advancements, medical technologies, and public health policies.




