Progressive expansion of the most hazardous human parasitoses caused by trematodes, cestodes and nematodes has been found on the south of the Russian Far East. Decelerating expansion of the trematode Clonorchis sinensis, an agent of clonorchiasis towards the southern Primorye Territory from the Amur River basin, that began 10-15 years ago, was revealed. A prognosis was made on the activation of the natural foci of clonorchiasis and paragonimiasis. Circulation possibilities are discussed of the highly pathogenic trematode Pagonimus heterotremusar in the South Asian regional ecosystems. Our experiments showed that the freshwater gastropods of the Parajuga genus from the Amur River basin and those of Stenothyra genus from Primorsky Territory were resistant to this trematode infection. Nevertheless, this does not exclude the possibility of this parasite penetration into the Far East region via infection of the local gastropods of other genera.

中文翻译：

---

气候和人口变化下俄罗斯远东地区的有害寄生虫。

在俄罗斯远东南部发现了由吸虫，虫和线虫引起的最危险的人类寄生虫的逐渐扩散。揭示了从10-15年前开始的中华绒螯菌吸虫向阿穆尔河流域向滨海边疆区南部的扩张过程。预示了支气管扩张和肺吸虫病的自然病灶的激活。讨论了南亚区域生态系统中高致病性吸虫Pagonimus heterotremusar的流通可能性。我们的实验表明，来自阿穆尔河流域的Parajuga属的淡水腹足类动物和来自滨海边疆区的Stenothyra属的淡水腹足类动物对这种吸虫有抵抗力。不过，