foundations of epidemiology and functions
the study of distribution of health-related events
epidemiology
the occurrence of cases of an illness
epidemic
what are the 4 variables within the triangle
the host, the agent, the environment and time related factors
close association with the chain infection and
and the triangle of epidemiology
the three types of prevention in public health
primary, secondary and tertiary prevention
epidemiology word taken literally refers to
the study of which befalls people
attacks the population of an extensive region
pandemic
the agent is
cause of disease
there are ____ chains in the chain of infections
6
examples of primary
good prenatal care, lifestyle changes, safe and healthy conditions at home, work and school
identifies causes of health related events
analytic epidemiology
when a disease continually prevails in a region its
a endemic
time represents
incubation period
3 normal examples of a reservoir are
the difference between passive and active primary
active requires change in individual passive does not
pattern in epidemiology is
describing health related events by a person where the occurrence of the state or event is highest or lowest
examples of common-source epidemic diseases are
anthrax , traced to milk or meat from infected animals , botulism etc
mechanical transmission is when
a pathogen spreads using a host as a mechanism for a ride for nourishment
acidity in the stomach is an example of how ____
the host can generally protect itself from invasion of pathogens
early cancer screening is considered ____
secondary prevention
cases of deaths is more meaningful when
considered in reference to the size of corresponding populations
in the united states cholera is now classified as
an endemic
the five types of carriers in public health are
active, convalescent , passive, incubatory, and intermittent
active immunity occurs when the body_____
develops antibodies and antigen
what is the goal of tertiary
to help diseased, disabled or injured individuals avoid wasteful use of the healthcare institutions and practitioners