Epidemiology is the foundation of public health and is defined as the study of the “distribution and determinants” of diseases or disorders within groups of people , and the development of knowledge on how to prevent and control them.
What is epidemiology and why is it important to public health?
Epidemiology identifies the distribution of diseases, factors underlying their source and cause, and methods for their control ; this requires an understanding of how political, social and scientific factors intersect to exacerbate disease risk, which makes epidemiology a unique science.
What is the role of epidemiology in public health?
Epidemiology is the study of disease in populations . ... Epidemiological methods are used for disease surveillance to identify which hazards are the most important. Epidemiological studies are also used to identify risk factors which may represent critical control points in the food production system.
Epidemiology is a specific concentration within the public health field. ... They investigate concerning health trends and diseases affecting specific populations , while public health workers promote health and wellness within populations.
What is public health epidemiology?
Epidemiology is the science dealing with the spread and control of diseases and other factors relating to health in populations and other groups . Epidemiological information is used to identify and evaluate the risks of epidemic outbreaks of disease and to help prevent their spread or return.
What are the 5 main objectives of epidemiology?
In the mid-1980s, five major tasks of epidemiology in public health practice were identified: public health surveillance, field investigation, analytic studies, evaluation, and linkages .
What are the three components of epidemiology?
Among the simplest of these is the epidemiologic triad or triangle, the traditional model for infectious disease. The triad consists of an external agent, a susceptible host, and an environment that brings the host and agent together .
What is the main purpose of epidemiology?
Epidemiology is defined as “the study of the distribution and determinants of health-related states or events (including disease),” and the goal of epidemiologists is to apply findings to control diseases or health issues .
What are the four uses of epidemiology?
For community diagnosis of the presence, nature and distribution of health and disease among the population , and the dimensions of these in incidence, prevalence, and mortality; taking into account that society is changing and health problems are changing. To study the workings of health services.
What is an example of epidemiology?
The term epidemiology is now widely applied to cover the description and causation of not only epidemic, infectious disease, but of disease in general, including related conditions. Some examples of topics examined through epidemiology include as high blood pressure, mental illness and obesity .
What are the two types of epidemiology?
Epidemiologic studies fall into two categories: experimental and observational .
Is Epidemiology a branch of public health?
Epidemiology is a branch of public health that views a community as the “patient” and various health events as the “condition” that needs treatment, according to the Centers for Disease Control and Prevention (CDC).
Is Epidemiology a good career?
Epidemiology is a very important career . However, there is the general idea that epidemiologists are statisticians who work in a government office crunching numbers to find patterns in health related problems.
What are the 3 major types of epidemiological studies?
Three major types of epidemiologic studies are cohort, case-control, and cross-sectional studies (study designs are discussed in more detail in IOM, 2000). A cohort, or longitudinal, study follows a defined group over time.
What is the ultimate aim of epidemiology?
The goal of epidemiology is to establish causal factors for health issues in order to improve the health and safety of entire populations .
What are the aims and objectives of epidemiology?
Objectives of Epidemiology
to identify the etiology, or cause, of a disease and its relevant risk factors (i.e., factors that increase a person’s risk for a disease). to develop appropriate vaccines and treatments, which can prevent the transmission of the disease to others.
