Zoonosis from Carnivores Flashcards Preview

RUSVM Epidemiology 2016 > Zoonosis from Carnivores > Flashcards

Flashcards in Zoonosis from Carnivores Deck (21):
1

Route of Transmission for Toxoplasma gondii

Ingestion from a contaminated litterbox or food or water
Ingestion of bradyzoites undercooked meat from an infected animal (Sheep or pig)

2

Route of transmission for Baylisascaris

Ingestion

3

How long does it take for oocyst sporulation of Toxoplasma gondii?

1-5 days in the soil

4

What people are at risk for Toxoplasma gondii?

Pregnant women
AIDS patients

5

Larval Migrans

a term for disease caused by migrating larvae in paratenic hosts

6

What are the 4 types of Larval Migrans?

Visceral
Cutaneous
Ocular
Neurologic

7

What are the 3 common roundworms of pet animals?

Toxocara canis
Toxocara cati
Toxocara vitulorum

8

How do you prevent Toxocariasis?

Reduce the reservoir with regular antihelminthics
Control soil ingestion

9

Humans are the definitive host for which cestodes?

Beef & pork tapeworm
Fish Tapeworm
Dog Tapeworm

10

Humans are the intermediate host for which cestodes?

Echinococcus
Taenia Solium

11

How do humans become the definitive host of a cestode?

Ingestion of infected intermediate host tissues

12

How do humans become the intermediate host for a cestode?

ingestion of larvated egges

13

What are clinical signs of cestodes in intermediate hosts?

Cyst formation in organ systems - symptoms according to that system
Anaphylactic symptoms follow rupture of cyst

14

What are the two types of cyst formation in Echinococcosis?

Hydatid
Alveolar

15

What is the reservoir for all species of Echinococcus?

Canids

16

Hydatid cyst

individual large fluid filled cysts

17

Alveolar cyst

Multilocular small solid cysts

18

What is the definitive host for Echinococcus granulosus?

Dogs and Wolves

19

What is the intermediate host for Echinococcus?

Sheep

20

How do you control Cystic Echinococcus?

Preventing infestation in dogs
Condemnation/disposal of infected offal
Preventing transmission to people

21

How do you control E. multilocularis?

Routine antihelmintic treatment of dogs
Reduce exposure of domestic pets to rodents
Treatment of foxes
Education
Stray dog control