Epi 1st half

Question 1

Epidemiology is …?

Answer 1

Population focused ->in animal populations investigation of determinants of disease distribution

Question 2

Main principal of epi…?

Answer 2

disease does not occur randomly in populations

Question 3

Objectives of epi.?

Answer 3

1. origin & cause
2. Investigate & control disease
3. gather info on ecology & natural history
4. Plan, monitor & assess disease control proograms
5. assess economic effects

Question 4

Veterinary epidemiology can be related to which 2 factors?

Answer 4

human public health (E. coli)
OR
animal populations (F&M)

Question 5

Descriptive epidemiology factors…

Answer 5

quantity of disease

pathways of transmission

Question 6

Analytical epi…?

Answer 6

Study of disease determinants

• Studyofcause-effectrelationship

Question 7

epidemiology triad…?

Answer 7

Disease is influenced by multiple, potentially interacting risk factors or determinants (time, place, animal characteristics

Question 8

Endemic

Answer 8

Disease is always present, often at low occurrence

eg. Ovine John’s disease

Question 9

Sporadic

Answer 9

he agent only rarely infects the host; the
agent is normally present and other causes trigger disease
Example: some forms of bovine mastitis

Question 10

Epidemic

Answer 10

Disease occurrence clearly exceeds what is ‘normal’

Example: a new strain of agent; the host is exposed to an agent for the first time (FMD outbreak UK 2001)

Question 11

Pandemic

Answer 11

Widespread epidemic spanning countries and/or continents (A/H1N1 2009)