Measles case confirmed in Montgomery County, officials warn of possible exposure and urge symptom monitoring.

A resident of Montgomery County, Maryland, has been confirmed to have measles, and may have exposed others at a local ice rink and professional office building. Measles is highly contagious and can spread through coughing and sneezing, and can live in the air for up to two hours. Maryland health officials urge those who were at either location during the possible exposure hours to monitor themselves for symptoms and call their doctor for instructions before an evaluation. Measles outbreaks are rare due to the MMR vaccine, but those not vaccinated are at risk.