Gastroenteritis Organisms

Question 1

What is the incubation time and duration of campylobacter infection?

Answer 1

Incubation: 16-48 hours. Duration: 5-14 days.

Question 2

What is the source of campylobacter infection?

Answer 2

Poultry, raw milk, contaminated water.

Question 3

What are the symptoms of campylobacter infection?

Answer 3

Abdominal pain, fever, D&V, blood in 30%.

Question 4

What is a possible antibiotic treatment for campylobacter infection?

Answer 4

Macrolide.

Question 5

What is the incubation time and duration of salmonella infection?

Answer 5

Incubation: 12-48 hours. Duration: 12-72 hours.

Question 6

What is the source of salmonella infection?

Answer 6

Eggs, poultry, meat, pets/animals.

Question 7

What are the symptoms of salmonella infection?

Answer 7

D&V, bloody diarrhoea, fever.

Question 8

What is a possible antibiotic treatment for salmonella infection?

Answer 8

Ciprofloxacin.

Question 9

What is the incubation time and duration of E.coli infection?

Answer 9

Incubation: 1-3 days. Duration: 1-10 days.

Question 10

What is the source of E.coli infection?

Answer 10

Beef, raw milk, contaminated water, animals.

Question 11

What are the symptoms of E.coli infection?

Answer 11

Bloody diarrhoea, blood PR, haemolytic uraemic syndrome (HUS).

Question 12

What is the incubation time and duration of a bacillus cereus infection?

Answer 12

Incubation: 1-6 hours. Duration: 0.5-15 hours.

Question 13

What is the source of bacillus cereus infection?

Answer 13

Reheated rice.

Question 14

What are the symptoms of bacillus cereus infection?

Answer 14

Profuse vomiting, later diarrhoea.

Question 15

What is the incubation time and duration of staph aureus infection?

Answer 15

Incubation: 1-6 hours. Duration: 1-10 hours.

Question 16

What is the source of staph aureus infection?

Answer 16

Room temp food, milk/meat/fish, sandwiches.

Question 17

What are the symptoms of staph aureus infection?

Answer 17

Vomiting/abdominal pain.

Question 18

What is a potential antibiotic treatment for staph aureus infection?

Answer 18

Flucloxacillin.

Question 19

What is the incubation time and duration of a shigella infection?

Answer 19

Incubation: 1-4 days. Duration: 1-7 days.

Question 20

What is the source of a shigella infection?

Answer 20

Faecal-oral route.

Question 21

What are the symptoms of a shigella infection?

Answer 21

Dysentery, fever, abdominal cramps.

Question 22

What is the duration of a listeria monocytogenes infection?

Answer 22

9-48 hours, 2-6 weeks if invasive.

Question 23

What is the source of listeria monocytogenes infection?

Answer 23

Unpasteurised milk products, deli counter.

Question 24

What are the symptoms of a listeria monocytogenes infection?

Answer 24

GI: fever, muscle aches, diarrhoea.
Invasive: meningitis, bacteraemia.

Question 25

What is the incubation time and duration of norovirus infection?

Answer 25

Incubation: <24 hours. Duration: 2-4 days.

Question 26

What is the source of a norovirus infection?

Answer 26

Person to person, cruise ships, schools.

Question 27

What are the symptoms of a norovirus infection?

Answer 27

Explosive D&V, general systemic symptoms.

Question 28

What is the duration of a rotavirus infection?

Answer 28

1 week.

Question 29

What is the source of a rotavirus infection?

Answer 29

Faecal-oral route in children.

Question 30

What are the symptoms of a rotavirus infection?

Answer 30

Mild to profuse watery diarrhoea, fever, vomiting.

Question 31

What is the incubation time for yersinia enterocolitica?

Answer 31

3-7 days.

Question 32

What are the symptoms of yersinia enterocolitica?

Answer 32

Mimics appendicitis.

Question 33

What is the source of yersinia enterocolitica?

Answer 33

Contaminated food/drinking water.

Question 34

What is the source of cryptosporidium infection?

Answer 34

Infected water.

Question 35

What are the symptoms of cryptosporidium infection?

Answer 35

Chronic/severe diarrhoea in the immunosuppressed.