Cryptosporidium in water: CDC guidelines on how to protect yourself. Centers for Disease Control and Prevention.
D000818:Animals; D018791:CD4 Lymphocyte Count; D003457:Cryptosporidiosis / Q000209:etiology / Q000517:prevention & control* / Q000635:transmission; D006266:Health Education; D006801:Humans; D016867:Immunocompromised Host; D008019:Life Style; D012307:Risk Factors; D014481:United States; D014871:Water Microbiology; D014876:Water Pollution / Q000009:adverse effects*; D018508:Water Purification / Q000379:methods*; D014881:Water Supply