The water-related infections of man are extremely numerous and diverse. In general the following are the ways in which diseases may be carried by water.
* Pathogenic organisms are transmitted from one person to another through their domestic water supply. (e.g.) cholera, typhoid and hepatitis.
* Inadequate water supply, lack of personal cleanliness (e.g.) trachoma and skin infection
* Infection transmitted by organisms which live in water. (e.g.) helminths (parasitic flukes) that spend part of their life cycle in water.
* Insect vectors which are related in some way to water transmit inflection. (e.g.) yellow fever, malaria etc.
Dec
9
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