miasma theory

'miasma theory' can also refer to...


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A theory that had considerable currency during the 18th and 19th centuries as a way to explain the origin and propagation of some epidemic diseases, particularly cholera. The theory was that the cause was miasma, an ill-defined emanation from rotting organic matter. The theory derived empirical support from the observed distribution of malaria and yellow fever in marshy regions, until it was discovered that these are mosquito-borne diseases.

Subjects: Public Health and Epidemiology.

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