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World Health Organization : Regioinal Office for Africa ; Year 1993 ; Africa Region, Blind, No. 1 - in French: Groupe Special sur la Prevention de la Cecite

By World Health Organization

Medical Reference Publication

The validity of an ecological approach to the study of infectious disease is now generally recognized but its application to the animal reservoirs of human disease has been slow in most countries. With few exceptions, ecological methods comparable to those applied t o problems of agriculture, fisheries and other fields of economic biology haw not been employed in studying or controlling zoonoses in most areas of the world. This attitude is sometimes defended on the plea that most of the human infection in zoonoses is contracted from domestic animals and from wild animals living in or around human habitations ( domiciliated animals; Hoare, 1955). While this is largely true in so far as imnmediate transfer of infection is concerned, the domestic animals themselves derive their infection from wild hosts in many cases.

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