[Concept of foci in opisthorchiasis].
The elementary focus of Opisthorchis infection is identified as an area of endemic territory in which is present and realized the risk of infection of an additional host. The focus is identified as an area of endemic territory in which is present and realized the risk of infection of a definitive host. Prerequisites for the formation of the elementary focus and focus of Opisthorchis infection within the endemic territory are considered.
D000818:Animals; D004197:Disease Reservoirs; D006801:Humans; D009889:Opisthorchiasis / Q000453:epidemiology* / Q000635:transmission; D012306:Risk; D014586:USSR
Poniatie ochagovosti pri opistorkhoze.