Lecture 48 - Intro to Epidemiology Flashcards
1
Q
what are 3 ways veterinarians intersect public health
A
- protect people from disease (zoonoses and bioterrorism)
- safeguard food production
- make discoveries that enhance human, animal, and environmental health
2
Q
define epidemiology
A
study of disease occurrence and health states in populations
3
Q
epidemiology in practice
A
includes health monitoring and disease prevention in populations
4
Q
epidemiology in research
A
identifies risk factors upon which interventions and mechanistic understanding of the disease can be based
5
Q
what is a population
A
a group (cohort) greater than 1
6
Q
closed population
A
no additions to population; death or loss of follow-up
7
Q
open population
A
new members over time and lose members over time
8
Q
what is a “disease”
A
illness, injury, health outcomes
9
Q
T/F: definitions of disease can change over time
A
TRUE
10
Q
what is the epidemiologic triad
A
- Host - individual who gets disease
- Agent - infectious microorganisms
- environment - extrinsic factors that affect opportunity to exposure