[The epidemiologic classification of plague morbidity].
On the basis of the analysis of plague morbidity in the world in the XX century all epidemic foci are subdivided into 3 groups: primary, indirect primary and secondary. Each group is characterized by its specific type of morbidity in accordance with infective factors: factors connected with the natural foci of infection in group 1, economic and synanthropic factors, as well as laboratory infections, in group 2 and anthroponotic factors in group 3. In its turn, each type of morbidity differs in routes, sources, mechanisms and clinical forms of infection. In accordance with the conditions of infection, the natural foci of plague can be subdivided into mono-, oligo- and multifactor foci. The typing of plague morbidity facilitates more target-oriented organization of antiplague measures.
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D000818:Animals; D004196:Disease Outbreaks / Q000145:classification*; D004197:Disease Reservoirs / Q000145:classification; D004199:Disease Vectors / Q000145:classification; D006801:Humans; D010930:Plague / Q000145:classification / Q000453:epidemiology* / Q000635:transmission
Epidemiologicheskaia klassifikatsiia zabolevaemosti chumoĭ.