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Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined population.. It is a cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare.
Epidemiological (and other observational) studies typically highlight associations between exposures and outcomes, rather than causation. While some consider this a limitation of observational research, epidemiological models of causation (e.g. Bradford Hill criteria) [7] contend that an entire body of evidence is needed before determining if an association is truly causal. [8]
immuno-epidemiology; intra-host dynamics; Pandemic; pathogen population genetics; persistence of pathogens within hosts; phylodynamics; role and identification of infection reservoirs; role of host genetic factors; spatial epidemiology; statistical and mathematical tools and innovations; Strain (biology) structure and interactions
C. Epidemiology of cancer; Cancer survival rates; Case fatality rate; Case–control study; Causal pie model; Cause (medicine) Cause of death; Epidemiology of chikungunya
Epidemiology is a bi-monthly, peer-reviewed journal for epidemiologic research, published by Lippincott Williams & Wilkins. The journal publishes original research from all fields of epidemiology, as well as review articles, meta-analyses, novel hypotheses, descriptions and applications of new methods and discussions of research theory and ...
is the average number of people infected from one other person. For example, Ebola has an of two, so on average, a person who has Ebola will pass it on to two other people.. In epidemiology, the basic reproduction number, or basic reproductive number (sometimes called basic reproduction ratio or basic reproductive rate), denoted (pronounced R nought or R zero), [1] of an infection is the ...
Molecular epidemiology is a branch of epidemiology and medical science that focuses on the contribution of potential genetic and environmental risk factors, identified at the molecular level, to the etiology, distribution and prevention of disease within families and across populations. [1]
Social epidemiology draws on methodologies and theoretical frameworks from many disciplines, and research overlaps with several social science fields, most notably economics, medical anthropology, medical sociology, health psychology and medical geography, as well as many domains of epidemiology.