Echinococcus multiocularis Flashcards
1
Q
Is Echinococcus multiocularis zoonotic?
A
YES!!
2
Q
What are the definitive hosts for Echinococcus multiocularis?
A
- Wolf
- Fox
- Dog
3
Q
What are the intermediate hosts for Echinococcus multiocularis?
A
- Rodents
- Humans
4
Q
What is the geographical distribution of Echinococcus multiocularis?
A
- Northern Europe
- Northern Asia
- Nothern China
- Japan
- Alaska
- USA
- Greenland
5
Q
Describe the transmission of Echinococcus multiocularis.
A
- Rats ingest feces and preyed by dogs
- Parasite is aggressive - migrates to liver
- 100% eggs can survive in environment for up to 1 year
6
Q
What are the clinical symptoms of Echinococcus multiocularis?
A
Humans develop:
- Alveolar Hydatid Disease (AHD): where the liver is quickly destroyed, condition often fatal
- DOES NOT CAUSE BLINDNESS
- can go to the brain
7
Q
How does one directly diagnose Echinococcus multiocularis?
A
- Serology
- Ultrasound
- MRI
- CT scan
8
Q
What is the treament for Echinococcus multiocularis?
A
- Albendazole -FOR LIFE (stops growth only)
- pair with alcohol injection in some countries
9
Q
How does one control Echinococcus multiocularis outbreaks?
A
-Destruction of wild carnivores and stray dogs reduces definitive host population
