Parasitic protozoons survive waste water and drinking water treatment plants in Galicia

Researchers from the Galician Institute of Food Quality have detected parasitic protozoons in the effluent discharged from waste water and drinking water treatment plants in Galicia (Spain), as well as in the water in recreational areas. The protozoons studied, which are members of the Cryptosporidium and Giardia genuses, cause intestinal upsets in cattle and immunosuppressed people.

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