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.
For more information see the AAEP Infectious Disease Guidelines.
Diseases
Equine Herpesvirus (EHV)
Equine herpesvirus (EHV) usually causes a mild respiratory disease which is self-limiting. The most common viruses are EHV-1 and EHV-4 both of which can cause respiratory disease, abortion and rarely neurologic disease (EHM).
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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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