Microbiology Lab Quiz #13

epidemiology

study of the factors and mechanisms involved in the spread of disease in a population

endemic

constantly present in a population in a given geographic area, usually at a low incidence

sporadic

occurs in small number of isolated cases

noncummunicable disease

does not spread person-to-person

communicable disease

spread person-to-person

index case

first case of disease identified

incidence

number of new cases in the population in a specified period of time

prevalence

total number of people infected (old and new cases) at any one time AND how long people are sick for

epidemic

occurs when a disease has a very high incidence in a population

common source epidemic

infection of a large number of people by contact with contaminated substances such as food or water

propagated epidemic

from person-to-person contact

pandemic

worldwide epidemic

contact tracing

determinig the source of a common source epidemic