Lecture 35

Question 1

What are the five stages of an infectious disease

Answer 1

incubation - no signs or symptoms 
prodroma - vague, general symptoms 
illness - most severe signs and symptoms - infectious 
Decline - declining signs and symptoms 
convalescence - no signs or symptoms

Question 2

What is epidemiology

Answer 2

study of disease transmission

Question 3

What is mortality

Answer 3

Incidence of death in a population

Question 4

What is morbidity

Answer 4

refers to the incidence of disease - non-fatal and fatal

Question 5

What is the incidence of a disease

Answer 5

numbers of new cases of the disease in a given period of time

Question 6

What prevalence

Answer 6

total number of new and existing cases in a given time

Question 7

What are the disease classes

Answer 7

Endemic - the amount of a particular disease usually present in a community - a baseline of endemic level
Sporadic - occurs infrequently and irregularly
Epidemic - increase, sudden above normally expected
Pandemic - epidemic spread over multiple countries or continents