title: Cryptosporidiosis associated with swimming pools.
mesh_terms: D016022:Case-Control Studies; D003457:Cryptosporidiosis / Q000453:epidemiology* / Q000209:etiology* / Q000517:prevention & control / Q000635:transmission; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data*; D004739:England / Q000453:epidemiology; D006801:Humans; D011159:Population Surveillance; D012307:Risk Factors; D011795:Surveys and Questionnaires; D013551:Swimming Pools; D014867:Water / Q000469:parasitology; D018508:Water Purification / Q000379:methods
chemical_list: D014867:Water