Giardiasis and water.
D000328:Adult; D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control*; D005873:Giardiasis / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D014873:Water Pollutants / Q000009:adverse effects*; D014881:Water Supply
D014873:Water Pollutants