PROBLEMS OF EPIDEMIOLOGICAL GEOGRAPHY. I. INTRODUCTION,
ARMY BIOLOGICAL LABS FREDERICK MD
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Epidemiological geography is defined as the study of the nature of the geographical distribution of infectious and parasitic diseases of man. Its subject is not only nosoareal field of disease distribution, but the area of the species of the causative agent of disease, with which the nosoareal is inseparably linked. Because the existence of causative agents of human diseases depends both on the uninterrupted flow of the epidemic process anthroponosis, and on the uninterrupted flow of epizootic processes among farm zoonoses of farm animals and wild animals naturally focal zoonoses, epidemiological geography deals with all of these categories and considers them in a geographical aspect.