UNIT 2 Flashcards
number of new diseases or infected persons in a population.
Incidence
number of diseased persons in a given population at a particular time.
Prevalence
any type of epidemiologic investigation that involves data collection for characterizing
circumstances surrounding the incidence or prevalence of a particular
Surveillance
disease infrequently present in a specific area.
Sporadic
disease constantly present at some rate of occurrence in a particular location.
Endemic
larger-than-normal number of diseased or infected individuals in a particular location.
Epidemic
An epidemic that spans the world.
Pandemic
larger-than-normal number of diseased or infected individuals that occurs over a relatively short period.
Outbreak
AKA: Causative agent
Etiologic agent
microorganism responsible for causing infection or infectious disease
Etiologic agent
living thing that harbors the etiologic agent but shows no apparent signs and symptoms
Carrier
chronically infested/infected origin / location that is a source
E.g.: water, food, animals, insects, humans
Reservoir
living entity that transmits the etiologic agent
E.g.: Fruit flies, Mosquito
Vectort
Aka fomites
Vehicle
A contaminated non-living entity that harbors the causative agent
Vehicle
