Isolation of pathogenic leptospires from waters used for recreation.
D000818:Animals; D006801:Humans; D007484:Iowa; D007919:Leptospira / Q000302:isolation & purification*; D007922:Leptospirosis / Q000453:epidemiology*; D013551:Swimming Pools; D014871:Water Microbiology; D015047:Zoonoses / Q000453:epidemiology