The use of molecular techniques such as DNA typing has transformed epidemiologic investigation by making it possible to trace precisely the path taken by a specific strain of an infectious pathogen, such as the gonococcus, as it passes from one host to another. DNA/RNA typing is also an essential part of genetic epidemiology; it can help to identify cancer-prone family lineages, for example. Molecular techniques are used in cancer epidemiology to identify precancerous changes in studies of environmentally and occupationally induced cancers. In short, molecular methods are a powerful tool in many aspects of observational and analytic epidemiology.
John M. Last
(see also: Cancer; Contagion; Epidemiology )
"Molecular Epidemiology." Encyclopedia of Public Health. . Encyclopedia.com. (February 15, 2019). https://www.encyclopedia.com/education/encyclopedias-almanacs-transcripts-and-maps/molecular-epidemiology
"Molecular Epidemiology." Encyclopedia of Public Health. . Retrieved February 15, 2019 from Encyclopedia.com: https://www.encyclopedia.com/education/encyclopedias-almanacs-transcripts-and-maps/molecular-epidemiology
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