What are the three components of epidemiology?
The epidemiologic triangle is made up of three parts: agent, host and environment..
What does descriptive epidemiology include?
Descriptive epidemiology provides a way of organizing and analyzing data on health and disease in order to understand variations in disease frequency geographically and over time and how disease varies among people based on a host of personal characteristics (person, place, and time).
What are the types of descriptive epidemiological studies?
Three of the types of descriptive epidemiologic studies are in- dividual case reports, case series, and cross-sectional studies (e.g., a survey of a population). Case reports and case series are among the most basic types of descriptive studies.
What are the three basic types of epidemiological investigation?
Here are three of the most basic types: a case report, a case series, and an inci- dence study. These types of study involve no comparison group. They are merely descriptive. A case report is a detailed description of the person, place, and time information of a specific case of disease or condition.
What are the basic principles of epidemiology?
Epidemiology is the study (scientific, systematic, data-driven) of the distribution (frequency, pattern) and determinants (causes, risk factors) of health-related states and events (not just diseases) in specified populations (patient is community, individuals viewed collectively), and the application of (since …
What is an epidemiologic triangle?
What Is the Epidemiologic Triangle? The Epidemiologic Triangle, sometimes referred to as the Epidemiologic Triad, is a tool that scientists use for addressing the three components that contribute to the spread of disease: an external agent, a susceptible host and an environment that brings the agent and host together.