Annapolis, MD (JK) – As of February 19, health officials have confirmed 26 cases so far in 2026, including 19 confirmed and seven probable infections. Despite the uptick, the department says the overall risk to the public remains low due to Maryland’s high vaccination rate.
Most of the recent cases have been identified in adults in the Baltimore metropolitan area, though officials note that mumps can affect people of any age and in any region of the state. The department is working with local health agencies to determine whether the cases are connected, but so far no single source has been identified.
Mumps is a vaccine-preventable viral infection that spreads through contact with saliva or respiratory droplets. Symptoms typically develop two to four weeks after exposure. The most common sign is parotitis, a painful swelling of the salivary glands on one or both sides of the face, often accompanied by fever. Early symptoms can include low-grade fever, loss of appetite, fatigue, and respiratory issues. Swelling usually lasts three to seven days.
There is no specific antiviral treatment for mumps. Care focuses on relieving fever and pain. While most people recover fully, complications can occur, particularly in adults. These may include inflammation of the testicles, ovaries, or breasts, pancreatitis, hearing loss, meningitis, and encephalitis.
Health officials emphasize that the Measles, Mumps, and Rubella, or MMR, vaccine remains the most effective protection. The two-dose series is routinely recommended for children, with the first dose given between 12 and 15 months of age and the second between 4 and 6 years old. Adults are encouraged to check with their health care providers to ensure they are up to date.
The MMR vaccine is covered by most insurance plans and is available through the state’s vaccine programs for eligible children and uninsured or underinsured adults.
Anyone experiencing symptoms consistent with mumps is urged to contact a health care provider or local health department for evaluation and possible testing.
For more information, visit the Maryland Department of Health website for its mumps fact sheet and details on the Maryland Vaccine Program.
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