Classic Theory
What is the epidemiology triad?
It includes the agent, host, and environment.
What is humors?
Include blood, phlegm, yellow bile and black bile.
What is Epidemiology?
The Study of the distribution and determinates of health related states in specific population, and the application of this study to control health problems.
What is the chain of infection?
It is made up of links in sequential order, which include: Agent, resevoir, mode of transmission, portal of entry and host.
What is a carrier?
An infected person who shows no evidence of clinical disease but can still infect others.
What is a host?
A person or animal that provides a suitable place for an infectious agent to grow and multiply.
What is miasmas?
vapours rising from rotting refuse or stagnant water.
What is Substantive Epidemiology
The body of accumulated knowledge arising from years of Descriptive Epidemiology.
What is direct transmission?
Person to person transmission.
What are levels of prevention?
Primary, Secondary, tertiary are all examples.
What is an agent?
An organism, substance or force whose presence or absence is necessary for a disease process to occur.
Who is Hippocrates?
The first father of epidemiology.
What is incubation period?
The interval from infection to the time of onset of clinical illness or when symptoms appear
What is indirect transmission?
It includes both vehicle and vector-borne contact.
What are the classifications of disease severity?
Includes inapparent disease, clinical disease, severe outcome/fatal illness.
What is a non-infectious disease?
The greatest proportion of mortality in "developed countries"
Who is Galen?
Added two new elements to Hippocrates humors, was the roman emperor's personal physician.
What is the natural history of disease?
The processes of normally leading to disease occurrence, before any intervention, and to the the course and outcome of the disease process.
Whats is a mechanical vector?
It is the transfer of infectious agent from a vector's body to the host.
What is secondary prevention strategy?
Breast self exam
What is Iceburg metaphor?
Includes both the apparent clinical disease and the inapparent subclincial disease.
Who is Fracastorius?
First to claim that disease was transfered from one person to another who then develops the disease, called contagion.
What is immunogenicity?
The ability of an agent to produce systemic or local immunologic reactions in the host.
What is indirect transmission?
It is the spread of airborne droplets over large distances is an example.
What is primary prevention strategies?
Pasturization of milk