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ICRP International

Conference on Recovery After Nuclear Accidents

Radiological Protection Lessons
from Fukushima and Beyond

December 1 - 18, 2020

O. Semenko, A. Lypska, M. Galat

Updated: Dec 11, 2020

The Role of Murine Rodents of the Chernobyl Zone of Radioactive Contamination in Spreading of Blood Parasitic Diseases

O. Semenko (National University of Life and Environmental Sciencs of Ukraine), A. Lypska (Institute for Nuclear Research, NAS, Ukraine), M. Galat (National University of Life and Environmental Sciencs of Ukraine)


A study of murine rodents of thespecies Myodes glareolus, Apodemus flavicollis and Apodemus agrarius was conducted for thepresence of agentsof blood-borne parasitic diseases. A feature of the study was investigation of external andinternal factors influencing the prevalence of these agents. One of the most importantexternal factors of influence was the exposure dose of γ-radiation, as thecapture of murine rodents was carried out on the landfills of the drained bedof the Chernobyl NPP cooling pond and other places of Chernobyl zone of radioactive contamination. Examination of rodentblood smears revealed the presence of agents of blood parasitic diseases in 93.8% of thestudied animals. Among the agents of these diseases were identified: Babesia spp., Hepatozoon spp., Trypanosomaspp. and others. The last two mentioned agents were identified for thefirst time on the territory of Ukraine.

血液寄生虫症の蔓延におけるチェルノブイリの放射能汚染区域のネズミ科齧歯動物の役割

O. Semenko (National University of Life and Environmental Sciencs of Ukraine), A. Lypska (Institute for Nuclear Research, NAS, Ukraine), M. Galat (National University of Life and Environmental Sciencs of Ukraine)


血液感染性の寄生虫症の病原体が存在するかどうかに関して、ハタネズミ(Myodes glareolus)、キクビアカネズミ(Apodemus flavicollis)及びセスジネズミ(Apodemus agrarius)種のネズミ科齧歯動物の調査が実施された。この調査の特徴は、これらの病原体の罹患率に影響する外部と内部の要因の調査であった。ネズミ科齧歯動物の捕獲はチェルノブイリ原子力発電所の冷却池の排水床の埋立地、及びチェルノブイリの放射能汚染区域の他の場所で実施されたため、影響の最も重要な外部要因の1つはγ放射線の被ばく線量であった。齧歯類の血中塗抹検査の結果、調査対象の動物の93.8%に血中寄生虫症の病原体が検出された。これらの疾病の病原体の中では、バベシア属、ヘパトゾーン属、トリパノソーマ属などが確認された。最後の2つの病原菌はウクライナの領土で初めて確認されたものであった。

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