urban epidemic of severe leptospirosis in brazil. salvador leptospirosis study group. | leptospirosis has, traditionally, been considered a sporadic rural disease. we describe a large urban outbreak of leptospirosis. | 1999 | 10485724 |
[leptospiral infection and subclinical presentation among children in salvador, bahia]. | the purposes of this investigation were to identify the frequency and risk factors of leptospiral infection among children aged between 2 and 15 years in salvador, bahia, household contacts of patients (index-cases) hospitalized at couto maia hospital due to leptospira interrogans (elisa igm positive). among 148 household contacts from 25 selected index-cases, clinical and epidemiological data were collected and elisa igm and igg were performed in paired sera (between 20 days) from 73 (49.3%). t ... | 2003 | 12806459 |
carriage of leptospira interrogans among domestic rats from an urban setting highly endemic for leptospirosis in brazil. | a survey was conducted to identify reservoirs for urban leptospirosis in the city of salvador, brazil. sampling protocols were performed in the vicinity of households of severe leptospirosis cases identified during active hospital-based surveillance. among a total of 142 captured rattus norvegicus (norwegian brown rat), 80.3% had a positive culture isolate from urine or kidney specimens and 68.1% had a positive serum sample by microscopic agglutination test (mat) titre of > or = 1:100. monoclona ... | 2008 | 18721789 |