衛生動物
Online ISSN : 2185-5609
Print ISSN : 0424-7086
ISSN-L : 0424-7086
特集 住血吸虫の中間宿主は? 特に日本住血吸虫症のミヤイリガイ他
中国のOncomelania属貝と日本住血吸虫症の動向
太田 伸生熊谷 貴陸 紹紅汪 天平温 礼永
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ジャーナル フリー

2012 年 63 巻 4 号 p. 263-267

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Schistosoma japonicum is currently endemic in Asian countries, especially China and the Philippines. Endemic foci in China are located in two cities and 7 provinces along the Yangze river and known to still be actively endemic. The intermediate snail hosts Oncomelania hupensis hupensis and O. h. robertosoni are both subspecies of snails distributed in Japan. From the viewpoint of disease control, the Chinese situations are much more difficult than those in Japan, because of environmental factors observed with seasonal changes in water levels of the Yangze river. Endemic foci in China are divided into three types according to the geographical areas, namely marshland type, water canal type and hHilly type. In each endemic focus, countermeasures should be planned considering the vegetation, soil content and agricultural environment. The Chinese government decided to implement nation-wide activities aimed to eradicate schisotosomiasis no later than 2020. For this purpose, comprehensive control activities are being strategically carried out. Those activities must be monitored to determine whether the outcomes are successful. Together with those activities, new tools for disease control are being intensively introduced in endemic areas of China. In his review, currently implemented control activities in China are described and future prospects of the disease endemicity is discussed.

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© 2012 日本衛生動物学会
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