26 - Intro to Epidemiology

Question 1

Prevalence

Answer 1

Total number of individuals infected in a population at
a specific point in time, no matter when the disease began

Question 2

Incidence

Answer 2

Number of new cases of a disease, during a defined time period, in a population at risk for developing the disease

Question 3

Outbreak

Answer 3

Sudden increase in occurrence of cases of disease in excess of what would normally be expected in a defined community, geographical area or season

Question 4

Endemic

Answer 4

Amount of a particular disease that is usually present in a community (Ross river)

Question 5

Epidemic

Answer 5

Rapid spread of disease to a large number of people in a given population within a short period of time (SARS)

Question 6

Pandemic

Answer 6

Spread over several countries or continents, usually affecting a large number of people
(COVID)

Question 7

Emerging infectious diseases

Answer 7

Diseases that have not occurred in humans before. Mostly caused by zoonotic pathogens

Question 8

Re emerging infectious diseases

Answer 8

Diseases that once were
major health problems globally, or in a particular country, and then declined dramatically