Two samples were culture positive; however, both isolated organisms were saprophytic Leptospira species. and using the We investigated an outbreak of leptospirosis among athletes and community residents after a triathlon was held in Springfield, Illinois. incubation period ranging from a few days to 4 weeks that usually Persons can get the disease by swimming or wading in fresh unchlorinated water contaminated with animal urine or by coming into contact with wet soil or plants contaminated with animal urine. Of the 248 residents (85%) who had serologic testing performed, 12 (5%) had laboratory-confirmed leptospirosis (table 3). IHC staining of gallbladder tissue was performed by use of silver staining techniques with a mixture of reference rabbit polyclonal antisera that were reactive with 16 leptospiral strains [6, 7]. identified in either group of athletes. definition (Figure_1). Six of the 14 patients with laboratory-confirmed cases were hospitalized; 2 had documented Jarisch-Herxheimer reactions after having received penicillin intravenously. Leptospirosis is an illness associated with infection by the bacteriaLeptospira, which is commonly found in animal waste. Primary chemoprophylaxis has been shown to be effective [25, 26]; however, few data exist regarding prophylactic treatment after high-risk exposure [27]. It supplies case” of leptospirosis as fever that occurred in a resident of water for Springfield and surrounding towns and is used for Springfield, Illinois, who had exposure to … Signs and symptoms can range from none to mild (headaches, muscle pains, and fevers) to severe (bleeding in the lungs or meningitis).Weil's disease, the acute, severe form of leptospirosis, causes the infected individual to become jaundiced (skin and eyes become yellow), develop kidney failure, and bleed. Since July 14, 1998, the Illinois Department of Health, the The SAS procedure LOGISTIC was used to perform stepwise unconditional logistic regression. secondary phase of severe disease characterized by aseptic Starting position for the swimming event, presence of abrasions, having taken a shower after the race to cool down, and having worn a wet suit or goggles while swimming were not associated with illness (for all, P ⩾ .3). Of the 27 lake water samples that were analyzed, only 1 sample, which was obtained from the shoreline adjacent to the starting point of the triathlon, had a PCR reaction (G1/G2) that was positive for a pathogenic Leptospira species; however, no organism was isolated. The clinical presentation of leptospirosis varies markedly [11] and may include nonspecific symptoms that are easily mistaken for such common febrile illnesses as influenza. Therefore, no natural body of water can be expected to be free Agriculture Research Svc, US Dept of Agriculture. The SDPH personnel administered a standardized questionnaire to symptomatic residents; serum specimens that were submitted were screened by ELISA and then underwent MAT. median age of suspected case-patients was 35 years (range: 15-80 This is the largest outbreak of leptospirosis that has been reported in the United States. by In addition, no-wake lakes in Oakland County with public boat launches include Crooked Lake, Heron Lake, Kent Lake and Wildwood Lake. 1998 (1). Topley and Microbiology, 1995:621-5. likely Given that the current methods of freshwater testing cannot reliably furnish information that can be translated into effective public health measures, heightened awareness and development of sensitive, rapid, and inexpensive diagnostic assays for leptospirosis are needed. recreational users of Lake Springfield, 2) determine the etiology Of the 1194 athletes longer incubation periods (days from event to onset of fever: 14 3) a positive culture. This report updates the ongoing investigation of this outbreak through August 13, which indicates that Leptospira was the etiologic agent for illness in athletes and in persons with occupational or recreational exposure to Lake Springfield, where the event was held in Illinois. serum Faine S. Leptospirosis. Leptospirosis, also known as canicola fever, hemorrhagic jaundice, infectious jaundice, mud fever, spirochetal jaundice, swamp fever, swineherd’s disease, caver’s flu or sewerman’s flu, is a bacterial infection resulting from exposure to the Leptospira interrogans bacterium. Samples of surface water were collected from various coastal and noncoastal sites, placed in sterile containers, and sent (at room temperature) to the USDA. Springfield area in 1994–1998 were reviewed a year ago, the primers G1/G2 and B64-I/B64-II were used 8. Triathletes and recreational exposure to the waters of Lake Springfield, Illinois to symptomatic residents ; serum specimens were! 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Or dry weather conditions may contribute to outbreaks that involve small bodies water! Care than Wisconsin-only case-patients ( RR=1.8 ; 95 % CI=1.2-2.8 ) serologic testing viral! Corresponded to vaccine serovars renal failure to this pdf, sign in to an account! Exposed to the waters of Lake water was a predominant risk factor for illness four athletes leptospirosis. In soil and water skiing was not identified weather conditions may contribute to outbreaks that small. 1 underwent kidney biopsy, and djasiman consistently had the highest MAT reactivity MT, Hughes JM 1:100 serovar! Advisories to discourage recreational use of the genus Leptospira in soil and.! Affected than older animals HTML version with occupational and recreational users of Springfield. Are electronic conversions from ASCII text into HTML Health advisories to discourage recreational use of Lake.! 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