title: Government says tap water may contain deadly parasite.
mesh_terms: D003457:Cryptosporidiosis / Q000453:epidemiology* / Q000401:mortality / Q000635:transmission; D016785:Cryptosporidium parvum / Q000302:isolation & purification*; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007108:Immune Tolerance; D009865:Oocytes; D015996:Survival Rate; D014481:United States / Q000453:epidemiology; D014871:Water Microbiology; D018508:Water Purification / Q000379:methods*; D014881:Water Supply / Q000331:legislation & jurisprudence / Q000592:standards*