### Measles Exposure at Washington, D.C. Airports **What Happened?** In early January 2024, Virginia health officials reported that travelers might have been exposed to measles at Dulles International Airport and Ronald Reagan National Airport. Confirmed cases were identified at these locations. **When and Where?** - **Dulles International Airport:** International arrivals area of the main terminal on January 3, between 4 and 8 p.m. - **Ronald Reagan National Airport:** Terminal A on January 4, between 2:30 and 6:30 p.m. **What is Measles?** Measles is a highly contagious illness that spreads easily through the air when an infected person breathes, coughs, or sneezes. **Symptoms to Watch For** - **First Stage:** Fever over 101°F, runny nose, watery red eyes, and a cough. Symptoms usually start a week or two after exposure. - **Second Stage:** A rash appears on the face and spreads to the rest of the body, starting three to five days after initial symptoms. **Contagious Period** People with measles are contagious from four days before the rash appears to four days after it appears. **What Should You Do?** If you were at these locations during the specified times, you should monitor for symptoms and isolate if symptoms begin. Notify your healthcare provider immediately. **Additional Information** The D.C. Health Department also issued a similar warning, noting that the threat of transmission is low but advising residents of possible exposure.