Epidemiology of Gastroenteritis Flashcards
1
Q
Proportion of gastroenteritis cases brought before a dector
A
Fewer than 1%.
2
Q
Endemic
A
Disease present at all times, at a low level. Usually confined to a region.
3
Q
Epidemic
A
Greater incidence of a disease than expected among a particular group in a particular area at a particular time.
4
Q
Pandemic
A
An epidemic over a very large area, often affecting a large proportion of the population.
5
Q
Point-source
A
Rapid peak, moderate decline
6
Q
Continuing source (propagated)
A
Slow peak, slow decline
7
Q
Epidemic curve
A
Number of cases vs. time
8
Q
Significance of continuing peaks on an epidemic curve
A
Human-human transmission
9
Q
Index case
A
First recorded case of illness