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Deadly EHD Outbreak Strikes Deer Across Maryland and Beyond

9/15/2025

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Story summary
  • An outbreak of Epizootic Hemorrhagic Disease (EHD) has impacted white-tailed deer in Maryland, especially in Anne Arundel, Baltimore, Howard, Montgomery, and Prince George's counties.
  • EHD, transmitted by midges, is fatal to deer but not harmful to humans.
  • Pennsylvania also reports EHD cases, prompting public awareness of sick deer.
  • In Washington, hot and dry weather has led to EHD and bluetongue outbreaks in Stevens and Spokane counties.
  • Infected deer show symptoms like lethargy, excessive salivation, and disorientation, with no available treatment, though populations typically recover in two to three years.