bacterial zoonoses Flashcards
Listeriosis treatment
Ampicilin +- gentamycin
alternative: co-trimoxazole
what is special about Non-typhoidal Salmonella?
Gram – bacilli
- good at hiding in phagocytes
- host adapted, multiple virulence factors
differences between the typhoidal vs non-typhoidal salmonellosis
typhoidal = notifiable food handlers must be excluded from work
typhoidal does NOT diarrhoea
non-typhoidal causes gastroenteritis and food poisoning
Campylobacteriosis
- can cause __ in kids
- treatment
- complications
- bloody stools in kids
- erythromycin/azithromycin
OR ciprofloxacin - complications: GBS, reactive arthritis
Anthrax
- causing organism
- special properties
Bacillus anthracis (Gram + spore forming bacillus)
- exotoxins cause the problem
anthrax clinical features
- inoculation
- inhalation
- ingestion
malignant pustule
pneumonic pic w/ haemorrhagic mediastinitis, “Woolsorter’s disease”
haemorrhage diarrhoea, intestinal anthrax
anthrax treatment
- for diagnosis INFORM lab
Rx: penicillin/ doxycycline / ciprofloxacin
Plague
- causative organism
- flea causing transmission
yersinia pestis
gram - coccobacillus
flea = Xenopsylla cheopsis
3 forms of plague
bubonic (armpits)
pneumonic
septicaemia
what is the treatment of Plague
Aminoglycoside or tetracycline
Brucellosis
gram -ve coccobacilli
reservoirs
livestock, causes abortion
best sample for brucellosis
bone marrow aspirate
coxiella burnetti
gram -ve intracellular coccobacillus
Q fever
changes antigen expression
disease in pig NB!
Erysipeloid
Rx: Penicillin
clindamycin / quinolones
erysipelothrix rhysiopathiae
causative organisms of dog bites
treatment
gram -ve
- pasteurella spp.
- capnpcytophaga canimorsus
