zoonoses Flashcards
what are zoonoses
infections that can pass between living animals and humans - source of disease is from animal
WHO: infections that are naturally transmitted between vertebrate, animals and humans
what is anthroponosis
‘reverse zoonoses’ in humans that are infecting animals
ex. of bacterial zoonoses
salmonella campylobacter shigella anthrax plague
ex. of viral zoonoses
rabies
avian influenza
ebola virus
yellow fever
ex. of parasitic zoonoses
cysticercosis
echinococcosis
toxoplasmosis
ex. of common zoonoses in UK
salmonella
campylobacter
toxoplasma
ringworm/dermatophytosis
rabies virus travels to brain via peripheral nerves…
causes an acute encephalitis
- malaise, headache, fever
- overproduction saliva&tears
- unable to swallow and hydrophobia
- death due to resp failure
rabies post-exposure prophylaxis
immediately after bite
human rabies immunoglobulin
+14 doses of rabies vaccine over 14 days
where are brucellosis organisms excreted
milk. placenta + aborted foetus
how are humans infected with brucellosis
milking infected animals
parturition
carcasses of infected animals
consumption fo unpasteurized dairy products
bacterial characteristics of brucellosis
small, gram negative coccobaccili
incubation of brucellosis
5-30days (but up to 6mo)
Brucellosis Rx
doxycyline 2-3mo
plus rifampicin or IM gentamicin
add clotrimoxazole for 2wks if CNS disease
