Infectious disease in horses is caused by a specific MICROBIAL agent such as a bacteria, viruses, or parasites. When left untreated, infectious disease can spread rapidly in groups of horses. Use the table below to learn more about a specific infectious diseases including the transmission, clinical signs, treatment, prognosis and prevention.

Equine Herpesvirus-Neurologic
Equine herpesvirus myeloencephalopathy (EHM) is another name for the neurologic disease associated with equine herpesvirus (EHV).
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West Nile Virus
West Nile Virus (WNV) is a mosquito-borne virus that affects horses and results in fever and neurologic disease.
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