Measles Exposure Alert: Dulles Airport & Howard County Medical Center

A confirmed measles case in a Howard County, Maryland resident who recently traveled internationally has triggered a public health alert. The individual transited Washington Dulles International Airport (arrivals terminal) on March 5th (4 PM – 9 PM ET) and visited the Johns Hopkins Howard County Medical Center Pediatric Emergency Department on March 7th (3:30 PM – 7:30 PM ET).

Individuals present at these locations during the specified times, and lacking MMR immunity, should self-monitor for symptoms for up to 21 days post-exposure (typically 7-14 days). Symptoms include high fever (over 104°F), cough, runny nose, red/watery eyes, Koplik’s spots (white spots in the mouth), and a characteristic rash.

Measles, an airborne virus, is highly contagious. While the US eliminated measles in 2000 through high MMR vaccination rates, recent declines in vaccination coverage are fueling outbreaks. Contact the Howard County Health Department’s Infectious Disease Surveillance and Response Program (410-313-6284) for guidance if you suspect exposure. If symptoms develop, avoid public spaces and contact your healthcare provider before visiting a clinic to prevent further spread.

This incident is unrelated to recent outbreaks in Texas and New Mexico. The CDC recommends two doses of the MMR vaccine for optimal protection. Consult your healthcare provider for vaccination information.

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