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Isolation of Pathogenic Leptospires from Waters Used for Recreation

1966; Volume: 81; Issue: 4 Linguagem: Inglês

10.2307/4592702

2327-6258

Stanley L. Diesch, William McCulloch,

Leptospirosis research and findings

OUTBREAKS of leptospirosis have been reported in man and animals following immersion in water.In 1951, Schaeffer (1) reported 50 cases of leptospirosis in persons who became ill after swimming in a slow- moving stream alongside a field where cattle and swine were pastured.These cases represented the first major outbreak of waterborne lepto¬ spirosis due to Leptospira pomona in man in the United States.Several recent outbreaks of leptospirosis in man after swimming have been summarized by Galton and associates (2).In 1958, Alexander and associates (3) isolated a new pathogenic Leptospira from a water sample collected from a river in South Dakota.In 1956, the same area of the river was the locus of a small outbreak of leptospirosis in man after swimming.Gillespie and co-workers (4) in the State of Washington isolated pathogenic leptospires from surface waters frequented by infected cattle shedding leptospires in urine.Clark and co-workers (5) isolated Leptospira grippotyphosa from a stream in Pennsylvania where similar serotype infections were also noted in cattle and voles.