| [new data on the irkutsk focus of opisthorchiasis and on the need for its investigation]. | the paper gives data on an opisthorchiasis focus in the taishetsky district, irkutsk region. the species affiliation of bithynia from the biryusa river basin was established. these mollusks are morphologically close to opisthorchophorus hispanica (= bithynia inflata). no o. felineus trematodes were found in the snails examined. roach, dace, and bream were the second intermediate hosts. analysis of long-term data revealed that fish and human infection rates have remained comparatively high for al ... | 2012 | 22774499 |