How is this virus spread?
Aerosol/droplet
Is this virus stable in the environment?
No
What type of virus is this?
What is the main form of disease caused?
Respiratory disease.
What type of virus is this?
Arterivirus.
What are the possible clinical signs of EHV - 1?
Respiratory, abortion, and neurological disease.
What does EHV - 4 cause?
Rhinopneumonitis
How is this virus transmitted?
Direct contact or iatrogenic.
What two things does this virus exhibit allowing for many serotypes?
Antigenic shift and drift.
What are the clinical findings?
Fever, respiratory signs, nasal discharge and lacrimation, edematous swelling of dependent parts.
How do you differentiate different strains of EHV?
PCR methods help distinguish between EHV-4, EHV-1, and EHV-1 neuropathogenic strains.
What does EHV - 3 cause?
Coital Exanthema
What are some clinical signs of EIA?
What are three clinical findings?
What specific symptom is clinical presentation linked to?
Vasculitis
What are some control and prevention measures for this virus?
Modified and live vaccines (but they don't prevent disease), all confirmed cases isolated for 28 days.
How is EHV - 3 spread?
Venereally (not sure if that's a word but I made it one)
What is the name of the diagnostic test and what does it test for?
Coggins test. Tests for Antibody to EIA virus.
Do vaccines provide good protection? Why or why not?
No, because of drift of the HA protein in the virus.
Who can become persistently infected?
Stallions
How does this present in foals?
What kind of vaccines are available for Coital Exanthema?
There is no vaccine available.
What is chronic disease characterized by?
Prolonged nature, persistent infection, and immune compromise (i.e. many different presentations)
How do you diagnose this virus?
PCR. (sorry, didn't have a harder question)
What can prevent colts from becoming persistently infected?
Modified live virus vaccine.