outbreak investigations Flashcards
1
Q
what is an outbreak?
A
more cases of a particular disease than expected in a given area, or among a specific population over a particular period of time
2
Q
what are the 8 steps in investigating an outbreak?
A
1) confirm the exsistence of an outbreak
2) establish a diagnosis
3) determine the magnitude of the problem
4) analyse the problem
5) develop a working hypothesis
6) evaluate the hypothesis
7) further data collection and analysis
8) communicate findings
3
Q
What is the basic reproduction number (r0)?
A
average number of new cases caused by one infected individual in an entirely susceptible population
4
Q
what can affect R0?
A
contact rate
infectiousness
susceptibility
