Sleeping Sickness

Question 1

What is sleeping sickness called?

Answer 1

Equine Encephalomyelitis

Question 2

What is is characterized by?

Answer 2

CNS dysfunction and moderate to high mortality

Question 3

What is the etiology?

Answer 3

alphavirus: EEE,WEE,VEE

Question 4

WEE is where?

Answer 4

west and midwest U.S.

Question 5

EEE is where?

Answer 5

eastern seaboard and gulf coast

Question 6

VEE is where?

Answer 6

Venezuela

Question 7

What are the reservoir hosts?

Answer 7

birds, rodents, and reptiles

Question 8

What is the transmission vector?

Answer 8

mosquitos

Question 9

What are clinical signs of encephalomyelitis?

Answer 9

• low grade fever
• altered mentation (depression, becoming comatose)
• impaired vision
• aimless wandering
• head pressing
• circling
• inability to swallow
• irregular gait
• paresis and paralysis
• terminally, convulsions and death

Question 10

What is the mortality rate of EEE, WEE, VEE?

Answer 10

• 50-90%
• 20-50%
• 50-75%

Question 11

How do you get a presumptive diagnosis?

Answer 11

clinical signs in endemic areas and vaccination history

Question 12

What does supportive care include?

Answer 12

• IV fluids
• stomach tube
• anti-inflammatories
• anticonvulsions

Question 13

What are the clinical signs in humans?

Answer 13

vary from mild flu-like to death

Question 14

Mortality of EEE,WEE,VEE in humans is?

Answer 14

• up to 75%
• 20%
• 40%

Question 15

When should you vaccinate foals?

Answer 15

3 months, 4 months and 6 months of age

Question 16

When should mares be vaccinated?

Answer 16

3-4 weeks before foaling

Question 17

It is recommended in LA that you give _ boosters?

Answer 17

biannual

Question 18

When should you give the booster?

Answer 18

before mosquito season