Water-borne infectious disease - Suikeidensenbyo (English spelling) Water-borne infection

Japanese: 水系伝染病 - すいけいでんせんびょう（英語表記）water borne infection

Waterborne diseases are those in which excretions or secretions containing pathogenic microorganisms are mixed into drinking river water or well water from sewage or sewage for some reason, and the disease is transmitted orally through the water, or through the skin by pathogenic microorganisms in the water. In the days before the water supply system was fully developed, river water was used for drinking, and if a patient with, for example, dysentery occurred upstream, dysentery patients often occurred downstream along the river. Typhoid fever, paratyphoid fever, bacterial dysentery, amoebic dysentery, polio, etc. can be transmitted orally through water.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

病原微生物を含んだ排出物や分泌物が，なんらかの原因で便池や下水から飲料に供する河川水や井戸水などに混入し，その水を介し，経口的に感染したり，水中の病原微生物が皮膚を通して感染する病気を水系伝染病という。上水道が完備しなかった時代には，河川水を飲用に供し，上流にたとえば赤痢患者が発生すると，その河川に沿って下流に赤痢患者がしばしば発生した。腸チフス，パラチフス，細菌性赤痢，アメーバ赤痢，ポリオなどが水を介し経口的に感染する。

出典　株式会社平凡社世界大百科事典第２版について　情報

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