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Serologic Evidence of Orientia Infection among Rural Population, Cauca Department, Colombia.

ABSTRACT: We assessed serum samples collected in Cauca Department, Colombia, from 486 persons for Orientia seroreactivity. Overall, 13.8% showed reactive IgG by indirect immunofluorescence antibody assay and ELISA. Of those samples, 30% (20/67) were confirmed to be positive by Western blot, showing >1 reactive band to Orientia 56-kD or 47-kD antigens.

SUBMITTER: Faccini-Martinez AA

PROVIDER: S-EPMC9881757 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Serologic Evidence of Orientia Infection among Rural Population, Cauca Department, Colombia.

Faccini-Martínez Álvaro A ÁA Silva-Ramos Carlos Ramiro CR Blanton Lucas S LS Arroyave Esteban E Martínez-Diaz Heidy-C HC Betancourt-Ruiz Paola P Hidalgo Marylin M Walker David H DH

Emerging infectious diseases 20230201 2

We assessed serum samples collected in Cauca Department, Colombia, from 486 persons for Orientia seroreactivity. Overall, 13.8% showed reactive IgG by indirect immunofluorescence antibody assay and ELISA. Of those samples, 30% (20/67) were confirmed to be positive by Western blot, showing >1 reactive band to Orientia 56-kD or 47-kD antigens. ...[more]

PMID: 36692499

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Project description:Gold mining is one of the major problems of contamination of hydric resources in Colombia, this practice generates a high impact on water quality due to the accumulation of waste during its process. In this study water quality was evaluated in five natural stream beds corresponding to four streams with gold mining operations and one in the Cauca River, taking samples before the water inlet and after the outlet in each operation in the streams of Dios Te Dé, Tamboral, Piedra Imán, and Lorenzo affected by artisanal gold mining labor, which drain into the Salvajina Reservoir on the Cauca River in the municipality of Suárez Cauca, Colombia. Characterization of water bodies in the streams was carried out applying contamination indices of Colombia. The IDEAM protocol was used as guide to monitor the water currents. Samples were taken in 15 stations in the natural stream beds with operations and a sampling station on the Cauca River after the reservoir in these lotic ecosystems, during three periods; two from 2018 and one from 2019. The range of the contamination indices according to the environmental variables were considered. Results show that the contaminants associated with TSS, TUR, and Hg are high in the sampling stations in the output of the operations and the sampling stations of the streams with influence on the operations (T3, T4, I2, I3, D2, and D5). The water quality score according to the ICA IDEAM index varied between acceptable and regular in the different sampling stations. However the Hg concentration in sampling station C1 of the Cauca River is due to contributions from the operations in the amalgamation process. This requires strategic interventions by the communities, miners, operation owners, and control organisms as the Regional Autonomous Corporation of Cauca (CRC) and the Ministry of Environment and Sustainable Development (MADS) to minimize the negative impacts on the hydric resource and ecosystemic services associated with this resource.

Dataset Information

Serologic Evidence of Orientia Infection among Rural Population, Cauca Department, Colombia.

Publications

Serologic Evidence of Orientia Infection among Rural Population, Cauca Department, Colombia.

Similar Datasets

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