Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6170710.17816/kazmj61707Research ArticleImprovement of the epidemiological survey mapGabbasovF. F.info@eco-vector.comPigalovaN. V.info@eco-vector.comKazan State Institute for Advanced Training of Physicians named after V.I. LeninNizhnekamsk City Sanitary and Epidemiological Station1505197859362642402202124022021Copyright © 1978, Gabbasov F.F., Pigalova N.V.1978<p>The drawbacks of the current map of the epidemiological examination of the focus of an intestinal infectious disease are noted, an attempt is made to improve its individual sections. The use of the improved map has contributed to a greater identification of the source of the causative agent of dysentery in recent years.</p>Kazan Medical archiveКазанский медицинский архив