Zoonoses Flashcards
What can zoonoses be caused by?
Virus
Bacteria
Parasite
Fungi
What is zoonoses?
Infections that can pass between living animals and humans
Why is malaria not a zoonoses?
Because even though it is transmitted from animals, they depend on the human host for part of their life cycle
What are bacterial examples of zoonoses?
Salmonella Shigella Anthrax Brucella E. coli
What are viral examples of zoonoses?
Rabies Avian influenza Ebola West nile fever Yellow fever
What are parasitic examples of zoonoses?
Toxoplasmosis
Trichinellosis
What are fungal examples of zoonoses?
Dermatophytoses
Sporotrichosis
What are the common zoonoeses in the UK?
Salmonella
Campylobacter
Toxoplasma
Ringworm
What is Rabies?
Viral infection transmitted by bite of the infected animal
Wide range of animals
Incubation = 2W to months
Travels to the brain via peripheral nerves
Causes encephalitis
-Malaise, mania and lethargy, production of saliva and tears, death bu resp failure
What is the diagnosis and treatment of rabies?
PCR of saliva or CSF
Fatal if untreated
Give post exposure prophylaxis
-HIRG 4 doses over 14 days
What is Brucellosis?
Ocupational hazard as it is in milk and placenta and foetus
Now is rare
What is the presentation of brucellosis?
Acute
-Fever, weakness, headaches, sweats and splenomegaly
Subacute
-lasts over 1 month
Chronic
-Months or years, flu like, malaise, depression, endocarditis
Subclinical
-50% have positive serology
What is the treatment for brucellosis?
Doxycycline for 2-3 months + rifampicin or gent
Add cotrimoxazole for 2 weeks
What is Leptospirosis?
Fever in cattle farmers
L hardjo
Fever, meningism, myalgia, headaches and no jaundice
What is done to diagnose leptospirosis?
Microscopic aglutination test
ELISA serology
PCR?
Culture