The necessity of organizing the ecological evaluation of projects, the interrelation of measures for the protection of nature and ecological forecasting, the importance of introducing the section of ecological forecasting into every project are discussed. Changes in the ecological systems, occurring due to different kinds of human intervention, and their consequences for human health are shown. The organization of the ecological evaluation of project plans and specifications at different administrative levels of the sanitary and epidemiological service and at institutes is proposed , which must ensure the elimination-of consequences, unfavorable for human health.
A nosogeographic study in the Ukrainian SSR revealed 3 zones of gastroenterocolitis morbidity: low, average and above average. Also cartographically were determined 3 Escherichia infection morbidity zones in children under 1 year of age. Conformity of pathogenic Escherichia serogroups (025, 026, 055, 0119 and others) among most humans, animals and environment suggest circulation of pathogens by the cycle: man (patient, carrier)--environment--animals (birds) and vice versa.