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DISEASE INFORMATION

Current information on infectious diseases of horses is listed here. More information may be available at the office of your state veterinarian.

DOMESTIC DISEASES

Anthrax (Bacillus anthracis)

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Blastomycosis (Blastomyces dermatitidis

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Botulism (Clostridium botulism, types A, B, C, D) 

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Brucellosis (Brucella abortus) 

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Clostridial Enteritis

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Dermatophilosis or Streptothricosis (Dermatophilus congolensis

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Eastern Equine Encephalitis (Eastern equine encephalomyelitis virus)

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USDA/APHIS Annual Report: EEE 2015

2016 EEE Case Reports (updated 12/6/16)

Equine herpesvirus 1 & 4 related diseases (equine herpesvirus 1 & 4, equine rhinopneumonitis virus)

EHV Owner Factsheet (2016)

EHM Owner Factsheet (2016)

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IDOHC EHM Incident Guidance Document

Equine infectious anemia (Equine infectious anemia virus) 

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USDA/APHIS Annual Report: EIA 2015

Equine influenza (A/Equine/1/Prague 56 [H7N7] and A/Equine/2/Miami 63 [H3N8] 

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Equine piroplasmosis (T. equi, B. caballi

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Equine Protozoal Myeloencephalitis (Sarcocystis neurona)

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Equine pythiosis (Pythium insidiosum

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Equine viral arteritis (equine arteritis virus) 

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Leishmaniasis (Leishmania siamensis

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Leptospirosis (Taylorella asinigenitalis) 

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Lyme (Borrelia burgdorferi)

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Mange (Demodex equi, Psoroptes equi

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Pigeon Fever (Ulcerative lymphangitis) 

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Potomac Horse Fever (Neorickettsia risticii)

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Rabies (Rabies virus) 

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Ringworm (Microsporum equinum, M. gypseum, T. equinum

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Salmonellosis (various Group A, B, and C salmonellae) 

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Strangles (Streptococcus equi var. equi

Strangles Owner Factsheet

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Vesicular stomatitis (Vesicular stomatitis virus, subtypes New Jersey and Indiana) 

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USDA/APHIS 2015 VSV Situation Report

West Nile encephalitis (West Nile virus) 

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2016 WNV Case Reports (updated 12/6/16)

Western Equine Encephalitis (Western equine encephalomyelitis virus) 

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FOREIGN DISEASES

African horse sickness (African horse sickness virus)

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Contagious Equine Metritis

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Dourine (Trypanosoma equiperdum)

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Equine piroplasmosis (T. equi, B. caballi)

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Glanders (Burkholderia mallei)

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Hendra (Equine Morbilivirus)

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Surra (Trypanosoma evansi)

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Venezuelan equine encephalomyelitis (virus subtypes 1AB, 1C, 1E)

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