Flashcards in Zoonosis from Milk & Water Deck (22):
How is Mycobacterium bovis transmitted to people?
Ingestion of milk, feces, or lymph node contents
How do you control Mycobacterium bovis?
Eliminate animal reservoir
What are the two pathogenic Brucella spp. in people?
How is Brucella transmitted?
Mucous membranes exposure
How do you control Brucella spp.?
Eliminate the animal reservoir
Monitor Swine at the abattoir
Reduce public exposure: pasteurization of milk and milk based products
How is Coxiella burnetii transmitted?
What are the barriers to control of M. bovis, Brucella, and Coxiella?
Compliance of animal workers
Social cost/veterinary infrastructure
Why is it hard to control Crypto and Giardia?
Difficult to kill with chlorine
must filter water!
What are the two most important Crypto spp.?
How does an outbreak of C. parvum occur?
overflow/flooding of animal waste holding ponds or feedlot/dairy pens into surface water
What are the clinical signs for Crypto in humans?
What are the clinical signs for Giardia humans?
Chronic greasy foul smelling diarrhea
How do you prevent Crypto and Giardia infection?
Proper treatment (filter) of drinking water
Reduce exposure to recreational water
NO diapers in swimming pools
What organ does Lepto infect?
How is Lepto transmitted?
Ingestion of water containing Lepto
Mucous membranes or broken skin in contact with water containing Lepto
Contact with animal urine containing Lepto
What are the clinical signs of Acute Lepto?
What are the clinical signs of Chronic Lepto?
Chronic renal insufficiency
How do you control Lepto?
Reduce the Reservoir through Rodent control and treatment with antibiotics and vaccines for animals
Reduce human exposure through clean water and the use of gloves
What is the definitive host of trematodes?
How do you control Schistosomiasis?
Avoid swimming in freshwater
Treat reservoir hosts
Kill intermediate molluscs
Caused by skin invasion by aquatic stage of bird trematodes