Maryland Measles Outbreak: Cases Triple Before School

A map of Maryland with red virus icons connected by lines, symbolizing the spread of illness across different regions of the state, on a blue background with faint medical crosses.

UPDATE: August 28, 2026 This article was originally published July 17, 2026, when Maryland had confirmed 9 measles cases. The situation has changed substantially. The update below reflects current case counts and the formal outbreak declaration issued by MDH on August 25, 2026. Maryland is now in an active measles outbreak. The Maryland Department of…

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Hantavirus and the Andes Virus Outbreak

The image shows the Maryland state flag with a large, detailed illustration of a virus or viral particle superimposed in the center.

What Maryland Physicians Need to Know An active multi-country outbreak of Andes virus, the only hantavirus strain capable of person-to-person transmission, has prompted the Maryland Department of Health (MDH) to begin monitoring two state residents following potential exposure. While confirmed cases remain far from Maryland and the risk to patients is considered very low, the…

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