Officials with the District’s Department of Health announced a confirmed case of measles in the city on Thursday.
In a release, D.C. Health are warning residents who may have been exposed to the contagious person at multiple locations around D.C.
- Concourse B, the Aerotrain and the Baggage Claim Area of Dulles International Airport on Thursday, April 23, and Friday, April 24
- M60 Metrobus northbound toward Takoma Langley Crossroads Transit Center from April 24 to April 27
- M60 Metrobus southbound toward Fort Totten station from April 24 to April 27
- Metrorail Green Line from Fort Totten to L’Enfant Plaza and the Blue Line toward Downtown Largo on Saturday, April 25, from 9 a.m. till noon
- Metrorail Green Line from Fort Totten to L’Enfant Plaza transferring to the Orange Line toward New Carrolton on Sunday, April 26, from 7:50 a.m. to 10:50 a.m.
- Orange Line from Minnesota Avenue transferring from L’Enfant Plaza to the Green Line toward Greenbelt on Saturday, April 25, and Sunday, April 26, in the evening
- Red Line Metrorail from Fort Totten toward Shady Grove on Monday, April 27, from 5 p.m. to 7:15 p.m.
Anyone who was at those locations during the listed times should monitor for symptoms for 21 days and check their vaccination status. Early symptoms include fever, cough, runny nose and red eyes, followed by a rash.
D.C. Health officials said the virus can stay in the air for up to 2 hours after a contagious person leaves the space.
As always, vaccination remains a key component in fighting the spread of the disease. Two doses of the vaccine are recommended for children between 12 months and 4 years old
“It is so contagious that about 9 out of 10 people who come near a person with measles will also become infected if they are not vaccinated,” D.C. Health wrote.
Three cases of measles were also confirmed in February among people traveling through the D.C. area.
People who think they might have been exposed to the virus should contact their healthcare provider or D.C. Health at 844-493-2652 for guidance.
Measles outbreaks have surged nationwide. This year through April, there were more than 1,814 confirmed measles cases, the Centers for Disease Control and Prevention said Friday.
Roughly 2,300 cases were reported in 2025.
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