Please use this identifier to cite or link to this item:
https://www.arca.fiocruz.br/handle/icict/43875
RELATIONSHIP BETWEEN PHYSICOCHEMICAL CHARACTERISTICS AND PATHOGENIC LEPTOSPIRA IN URBAN SLUM WATERS
Author
Affilliation
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil.
Universidade Federal da Bahia, Escola Politécnica. Department of Environmental Engineering. Salvador, BA, Brasil.
Mayo Clinic Alix School of Medicine. Mayo Clinic. Scottsdale, USA / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia, Escola Politécnica. Department of Environmental Engineering. Salvador, BA, Brasil.
Universidade Católica do Salvador. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Universidade Federal da Bahia. Faculdade de Medicina. Salvador, BA, Brasil.
Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Universidade Federal da Bahia, Escola Politécnica. Department of Environmental Engineering. Salvador, BA, Brasil.
Mayo Clinic Alix School of Medicine. Mayo Clinic. Scottsdale, USA / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia, Escola Politécnica. Department of Environmental Engineering. Salvador, BA, Brasil.
Universidade Católica do Salvador. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Universidade Federal da Bahia. Faculdade de Medicina. Salvador, BA, Brasil.
Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Fundação Oswaldo Cruz. instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto da Saúde Coletiva. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Abstract
Leptospirosis, a zoonosis caused by pathogenic Leptospira, primarily a ects tropical,
developing regions, especially communities without adequate sanitation. Outbreaks of leptospirosis
have been linked with the presence of pathogenic Leptospira in water. In this study, we measured the
physicochemical characteristics (temperature, pH, salinity, turbidity, electrical conductivity, and total
dissolved solids (TDS)) of surface waters from an urban slum in Salvador, Brazil, and analyzed
their associations with the presence and concentration of pathogenic Leptospira reported previously.
We built logistic and linear regression models to determine the strength of association between
physicochemical parameters and the presence and concentration of Leptospira. We found that salinity,
TDS, pH, and type of water were strongly associated with the presence of Leptospira. In contrast,
onlypHwas associated with the concentration of the pathogen in water. The study of physico-chemical
markers can contribute to a better understanding of the occurrence of Leptospira in water and to the
identification of sources of risk in urban slum environments.
Share