What are the two theories of population?
The theories are: 1. The Malthusian Theory of Population 2. The Optimum Theory of Population 3. The Theory of Demographic Transition.
What are the three basic phases of population growth?
They are: (i) the high stationary phase marked by high fertility and mortality rates; (ii) the early expanding phase marked by high fertility and high but declining mortality; (iii) the late expanding phase with declining fertility but with mortality declining more rapidly; (iv) the low stationary phase with low …
Which of the following is an example of epidemiological transition?
In demography and medical geography, epidemiological transition is a theory which “describes changing population patterns in terms of fertility, life expectancy, mortality, and leading causes of death.” For example, a phase of development marked by a sudden increase in population growth rates brought by improved food …
What do you mean by epidemiological transition?
Epidemiologic transition, the process by which the pattern of mortality and disease in a population is transformed from one of high mortality among infants and children and episodic famine and epidemics affecting all age groups to one of degenerative and human-made diseases (such as those attributed to smoking) …
What is epidemiological 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.
What is an epidemiologist?
Often called “Disease Detectives”, epidemiologists search for the cause of disease, identify people who are at risk, determine how to control or stop the spread or prevent it from happening again. Physicians, veterinarians, scientists, and other health professionals often train to be “Disease Detectives”.
Why is epidemiology useful?
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.
Does epidemiology pay well?
The US Bureau of Labor Statistics (BLS) reports that the average epidemiologist earns about $69,660 per year. According to Indeed, the average epidemiologist salary is closer to $88,000.
Is Epidemiology a desk job?
Epidemiologists typically work in offices and laboratories at health departments for state and local governments, in hospitals, and at colleges and universities. Epidemiologists are also employed in the federal government by agencies such as the Centers for Disease Control and Prevention (CDC).
What does a day as an epidemiologist look like?
A typical day for an Epidemiologist will also include: Oversee public health programs, including statistical analysis, health care planning, surveillance systems, and public health improvement. Monitor and report incidents of infectious diseases to local and state health agencies.