Level of disease The amount of a particular disease that is usually present in a community is referred to as the baseline or endemic level of the disease. This level is not necessarily the desired level, which may in fact be zero, but rather is the observed level. In the absence of intervention and assuming […]
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Epidemiology
In the mid-1980s, five major tasks of epidemiology in public health practice were identified. These major tasks of epidemiology in public health practice include: 1. Public health surveillance, 2. Field investigation, 3. Analytic studies, 4. Evaluation, and 5. Linkages. A sixth task is policy development, which was recently added as a major task of epidemiology
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Epidemiology
An anthroponotic disease, or anthroponosis, is an infectious disease in which a disease causing agent carried by humans is transferred to other animals. It may cause the same disease or a different disease in other animals. The opposite of anthroponosis or anthroponotic disease is zoonosis. Zoonosis is a disease transmitted from animals to humans. Zoonoses
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Epidemiology, Public Health & Parasitic Diseases (Parasitology)
Descriptive epidemiological studies look at the frequency and distribution of a disease/infection within a population. It is usually the first step in any epidemiological survey and, it only describes the occurrence or outcome of a disease in a community/population. In a descriptive study, the general features of an infection in a population are typically described
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Epidemiology
Observational epidemiological studies are non-experimental epidemiological investigations that involves no intervention by the researcher (in this case the epidemiologist) other than carrying out medical and laboratory examinations and probably asking questions about the issue at hand. In this type of epidemiological study, nature is allowed to take its full course while the researcher only observes
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Epidemiology
An epidemiological study usually involves two important steps that must be put into consideration prior to the investigation of disease/infection outbreak. The first step in any epidemiological study is to define the hypothesis to be tested. The hypothesis must take into consideration the description of the exposure and possible outcome of the disease. The second
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Epidemiology
The search for the ravaging scourge of some infectious diseases including cholera, typhoid fever, small pox and the rest, and an urgent need to end their prevailing end of human lives some decades ago gave impetus to the full development of epidemiology. Epidemiology as a field in the medical sciences and as an important discipline
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Epidemiology
The word epidemiology was coined from three different Greek words: epi (upon or on), demos (population or people) and logos (study of). Epidemiology (which is the basic science of public health) therefore is defined as the field of medical science that studies the occurrence, distribution, and determinants of disease and health-related issues, and the application
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Epidemiology