Salmonelliosis Flashcards
What is salmonella (features) ?
- Gram negative rod shaped faculative anerobic bacterium
- Motile species
- Zoonotic
- Causes disease in humans and livestock
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What are the two species of salmonella?
- S.enterica
- S.bongori
How many subspecies is S.enterica divided into?
Six
What do the serovars gallinarum and pullorum cause?
“fowl typhoid” and “pullorum disease” respectively
they are both non-motile
What does the serovar typhi cause?
“typhoid fever” which is the classic enteric fever
What do the serovars Paratyphi-A and Paratyphi-B cause?
mild forms of enteric fever in humans, most strains do not produce hydrogen sulfide
What do the serovars Cholerae-suis and Typhi-suis cause?
Severe disease in pigs
How many serotypes of salmonella are there?
Over 2500
And they are distributed worldwide
How many cases of salmonella are there a year, approximately?
11,000
What is the main cause of salmonella in humans?
Poultry and Poultry products
What kind of diseases does salmonella cause in humans?
Diarrhoeal diseases
Name some of the selective media that salmonella can grow on?
- XLD
- BGA
- Rappaport
- Selenite Broth
- Rambachs
- Chromogenic agar
Name 5 types of serotyping
- Slide agglutination
- PCR
- LAMP
- Arrays
- WGS
Why is salmonella so important?
It causes an economically important clinical disease in livestock and humans
What does Salmonella Choleraesuis cause?
Severe outbreaks of clinical disease similiar to swine fever
