Horse Viruses

Question 1

Viruses associated with respiratory disease:

Answer 1

o EHV 1(also abortion and encephalitis),
o EHV 4 (equine rhinopneumonitis)
o influenza virus
o *equine arteritis virus
o equine rhinitis virus A (Apthousvirus)
o equine rhinitis virus B (Erbovirus)
o equine adenoviruses 1 and 2

Question 2

Viruses associated with multisystemic infections (generalized)

Answer 2

o	equine infectious anemia (EIA) virus
o	equine arteritis virus (EAV), also abortion
o	FAD
o	African horse sickness (FAD)
o	Hendra virus

Question 3

Viruses associated with neurological infections

Answer 3

o WNV; WEE, EEE, VEE (see LT 10B)
o EHV1 (also abortion and respiratory)
o rabies (see LT10A)
o Borna disease virus

Question 4

Viruses associated with skin and mucosa

Answer 4

o	VSV (vesicular stomatitis virus)
o	EHV3 (equine coital exthema)
o	papilloma viruses

Question 5

Viruses associated with Reproduction

Answer 5

o EHV 1, EAV, EHV 4 (rare)

Question 6

Viruses associated with Enteric

Answer 6

o rotaviruses
o adenovirus 2
o Toroviruses (Coronaviridae) e.g. Berne virus

Question 7

repsiratory disease, late term abortions, abortion storms in herds neurologic signs, EHM

Answer 7

Equine Abortion Virus, EHV-1

herpes viridae

Question 8

profuse serous nasal discharge, common in foals, rarely associated with abortions, DNA virus

Answer 8

EHV-4; Equine rhinopneumonitis virus

herpes

Question 9

self limiting vesicular, ulcerative lesions of genital mucosa and surrounding skin, occasionally on lips, muzzle, teats

Answer 9

EHV-3 equine coital exanthema

herps

Question 10

Horse presents with fever, thrombocytopenia, icterus, edema w. reoccuring episodes

Answer 10

Equine Infectious Anemia Virus

Retroviridae; lentivirus

Question 11

Carried by stallions, repiratory/repro disease, fever depression, lacriamtion, spread via macrophages, abortions

Answer 11

EAV- equine arteritis virus

Arteriviridae

Question 12

FMD like lesions, but this is a horse soo oyu think its>

Answer 12

VSV

Question 13

severe systemic dz and pulmonary and cardiac forms high mortality

Answer 13

African horse sickness

Reoviridae; orbivirus

Question 14

Neurologic signs, generalized ill, to encephalitis, neg RNA

Answer 14

West Nile Virus

Flaviviridae

Question 15

Neurologic Disease pos RNA

Answer 15

EEE, VEE, WEE

pos RNA to ddx from WN

Togaviridae

Question 16

diarrhea in young foals… prob see wheels on mircoscope

Answer 16

Rotavirus

Question 17

primary enteric, self limiting, possible respiratory involvement, death reported,

Answer 17

Equine Coronavirus

Question 18

upper respiratory disease, of Horses, naked, DNA virus

Answer 18

Equine Adenovirus

adenoviridae

Question 19

Respiratory dz of horses, small naked RNA

Answer 19

Equine rhinovirus

picronavirus

Question 20

frutibats, respiratory disease, zoonotic

Answer 20

Hendra Virus

paramyxoviridae

Question 21

pulmonary cardiac disease

Answer 21

African Horse Sickness

Reoviridae, orbiviris

Question 22

encephalitis,

Answer 22

Bornavirus

bornaviridae