The paucity of information on the ecology of wild animal reservoirs over most of the world is one of the factors that has led to hesitation and failure in controlling these diseases in many areas. Extensive application of ecological studies and methods would not only assist in zoonosis control but might well also lead to the discovery of new diseases, to the acquisition of fundamental knowledge capable of application in other fields of biology, and to the finding of new experimental animals for laboratory work.Although such studies properly require the co-operation of a wide variety of specialists—epidemiologists, ecologists, parasitologists, botanists, geologists and climatologists are among those who may to advantage be called upon—in practice much can be accomplished by a few interested and well-equipped field workers backed by a good museum and laboratory services.
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