This book is the first scientific publication on diseases caused by agents circulating in natural environments independently from humans, covering the whole territory of the Russian Federation. It contains diverse and multifaceted information, both in textual and cartographic form. The book focuses on the historical and current distribution of natural-focal diseases in Russia, epidemiological aspects, natural and socio-economic determinants conducing natural foci. With a series of maps this book depicts population morbidity rates in particular regions and on a national level for the 21st century. With numerous color illustrations this book appeals to a wide audience and is of particular interest to geographers, environmental workers, epidemiologists and other specialists interested in environmental and public health issues.