Herpesviridae

Question 0

T/F: Herpes is not enveloped and survives well outside body

Answer 0

False; Enveloped and does not survive well outside the body

Question 1

Where does herpes replicate? Inclusion bodies?

Answer 1

Replicates in the nucleus- bud from nuclear membrane

Eosinophilic intraNUCLEAR IBs
type A cowdry bodies

Question 2

Herpes cause major dz in each domestic animal species except which one?

Answer 2

Sheep. Lucky Baaaaastards

Question 3

Name general properties of Herpesviridae

Answer 3

Icosahedral, spherical to pleomorphic in shape
Monopartite
linear Double Stranded DNA

Question 4

Infectious bovine rhinotracheitis etiology and forms?

Answer 4

Etiology: Bovine Herpesvirus 1 (alpha herpes subfamily)

Respiratory form: Latent in trigeminal n. (RED NOSE in cattle, abortion)

Genital form: Latent in sciatic n. (No abortions, balanoposthitis in bulls, vulvovaginitis in cows)

Question 5

Name the 2 most common causes of infectious respiratory dz in cats

Answer 5

1. Feline Rhinotracheitis (Feline herpesvirus 1)

2. Calici

Question 6

You will see “pump handle respiration” in this dz of alpha herpes.

Etiology?

Answer 6

Infectious Laryngotracheitis

Etiology: Gallid Herpes virus 1

Question 7

Gallid Herpesvirus 2 causes what dz?

Answer 7

Marek’s Disease

-HIGHLY CONTAGEOUS

Question 8

Name the 3 vaccines for Infectious Laryngotracheitis

Answer 8

1. CEO (chick embryo origin): induces better immunity
2. TCO (Tissue cultrue origin): immunity limited
3. Pox vectored recombinant vaccine

Question 9

1) Neuroplymphomatosis
2) Visceral lymphomatosis
3) Occular lymphomatosis
4) cutaneous lymphomatosis
- Are all clinical signs of what dz?

Answer 9

Marek’s Dz

etiology: Gallid herpes virus 2 (alphaherpes subfamily)

Question 10

Porcine Herpesvirus 2 causes

Answer 10

Inclusion body Rhinitis

Question 11

This is also known as Aujesky’s dz or “Mad itch” in cattle

Answer 11

Pseudorabies

etiology: porcine/suid herpesvirus 1

Question 12

Which form of Equine Herpes Virus is most virulent?

Answer 12

Equine Herpes virus 1

principal route is respiratory tract

Question 13

Hemorrhagic Disease of puppies is also known as?

Etiology?

Answer 13

Fading puppy syndrome

Etiology: canine herpesvirus 1

Question 14

T/F: Most horses recover from Equine Herpesvirus 4

Answer 14

True. EHV-4 is less severe than EHV-1

Question 15

You have a young puppy (s your ddx?

Answer 15

Fading puppy syndrome- Hemorrhagic dz of puppies

Etiology: Canine Herpesvirus 1

Question 16

T/F: You don’t have to report Marek’s Dz.

Answer 16

False. Report that shit.

Question 17

This subfamily of herpes is lymphotropic (replicates in T or B cells) and can also cause lymphoid tumors

Answer 17

Gammaherpes Subfamily

Question 18

Name the Porcine Herpesvirus 2 subfamily

Answer 18

Betaherpes subfamily

Question 19

Malignant Catarrhal Fever (MCF) is bad news bears for cattle and some wild ruminants. Name the 2 most important MCF viruses

Answer 19

1. Alcephaline Herpesvirus 1
   - Wildebeest associated MCF
2. Ovine Herpesvirus 2
   • sheep associated MCF

Question 20

Name the dead end host to Malignant catarrhal fever

Answer 20

Cows.

Moo.

Question 21

T/F: AHV-1is transmitted from cattle to wildebeest and causes dz in the wildebeest.

Answer 21

False. AHV-1 is transmitted TO cattle FROM wildebeest.

AHV-1 does not cause any dz in the wildebeest

Question 22

In Africa, MCF is found predominantly where cattle chill w/ wildebeest. Outside Africa MCF from direct contact w/ sheep and susceptible species.

Answer 22

Just remember this. It’s late. I’m tired.

Question 23

This type of MCF is transmitted from sheep to cattle

Answer 23

OVH-2

ovine herpes virus 2

Question 24

Mummified pigs is an example of

Answer 24

pseudorabies

etiology: suid/porcine herpesvirus 1