Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
What is an outbreak?
|
occurrence of health related events clustered in time and space in excess of what is normally expected
|
|
|
What are some common foodborne illnesses?
|
E. coli
Salmonella Shigella Listeria Campylobacter S. aureus C. perfringens Noroviruses |
|
|
What is the affected proportion?
|
proportion of an event (disease) in a given population
-same as incidence risk |
|
|
What is the attributable risk?
|
same as the absolute risk difference
incidence in the exposed group minus the incidence in the non-exposed group |
|
|
What are the 10 steps in outbreak investigation?
|
verify the diagnosis
define a case determine the magnitude of the problem establish the temporal pattern establish the spatial pattern establish the animal pattern analyze the data form a working hypothesis follow up the situation report |
|
|
What are the two temporal patterns seen in outbreak investigation?
|
point source
propagated |
|
|
What agents are most likely to cause disease at
1-6 hours 12-24 hours 1-3 days 3+ days |
1-6 hours : toxic chemicals
12-24 hours : bacterial toxins 1-3 days: rapid growing bacteria, viruses 3+ days: slow growing bacteria, parasites |
