Maryland health officials are warning that people who visited several locations in Ocean City earlier this month may have been exposed to measles.
The Maryland Department of Health said an out-of-state resident who was infected with measles visited three locations while contagious. Contact tracing is underway to identify and notify people who may have been exposed.
The possible exposure locations and times are:
Health officials said the overall risk is low for people who are fully vaccinated.
Measles is highly contagious and spreads through the air when an infected person breathes, coughs or sneezes. The virus can remain in the air for up to two hours after an infected person leaves an area.
Anyone who was at one of the locations during the listed times, particularly people who are not fully vaccinated or otherwise immune, should monitor for symptoms for 21 days after the potential exposure.
Early symptoms include a fever above 101 degrees, runny nose, cough and red, watery eyes. A red rash typically appears one to four days later, beginning on the face before spreading to the rest of the body.
Symptoms generally develop 10 to 14 days after exposure, but can appear anywhere from seven to 21 days later.
Anyone who develops symptoms should stay away from work, school, childcare and other public places and contact a healthcare provider. State officials said people should call ahead before going to a doctor’s office or emergency room so precautions can be taken to prevent further spread.
People who have received two doses of a measles-containing vaccine or who were born before 1957 are generally considered protected.
Maryland has confirmed 40 measles cases so far in 2026, according to the state health department.
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