Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.

Detalhes bibliográficos
Autor(a) principal: Norberg, Paulo Roberto Blanco Moreira
Data de Publicação: 2020
Outros Autores: Manhães, Fernanda Castro, Mangiavacchi, Bianca Magnelli, Ribeiro, Paulo César, Evangelista, Vinicius Dias, Queiroz, Margareth M. Carvalho, Norberg, Antonio Neres
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/45885
Resumo: Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil.
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spelling Norberg, Paulo Roberto Blanco MoreiraManhães, Fernanda CastroMangiavacchi, Bianca MagnelliRibeiro, Paulo CésarEvangelista, Vinicius DiasQueiroz, Margareth M. CarvalhoNorberg, Antonio Neres2021-01-30T14:56:04Z2021-01-30T14:56:04Z2020NORBERG, Paulo Roberto Blanco Moreira et al. Contamination of urban rivers in the city of Asunción, Paraguay, with oocysts of Cryptosporidium spp. and cysts of Giardia spp. World Journal of Pharmacy and Pharmaceutical Sciences, v. 9, n. 1, p. 106-120, 2020.2278 – 4357https://www.arca.fiocruz.br/handle/icict/4588510.20959/wjpps20201-15274engFaculty of Pharmacy Medical University. Sofia, BulgariaCryptosporidium sppGiardia sppEnteroparasitosesContaminação dos riosParaguaiCryptosporidium sppGiardia sppEnteroparasitosesRivers contaminationParaguayContamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleEscola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil.Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil / Universidade do Norte Fluminense. Campos Dos Goytacazes, RJ, Brasil.Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil.Universidade Iguaçu. Nova Iguaçu, RJ, Brasil.Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil / Universidade de Vassouras. Vassouras, RJ, Brasil.Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil / Centro Universitário Uniabeu. Belford Roxo, RJ, Brasil.Although the presence of protozoa in drinking water is a major public health problem in many countries, knowledge about the risks of these organisms in the anthropogenic environment in Paraguay is still scarce. Giardia spp. and Cryptosporidium spp. are pathogenic protozoa with faecal-oral hydric transmission that cause gastrointestinal disorders which reflexes may be severe for children, old-aged individuals and immunocompromised people. The research aims to investigate oocysts of Cryptosporidium spp. and cysts of Giardia spp. in water samples from four rivers that cross the city of Asunción, capital of Paraguay. Water samples were collected from the Riachuelo, Antequera, Peru and Mburicaó rivers. The spontaneous sedimentation technique was used for all water samples to concentrate the particulate material. For the research of cysts of Giardia spp. slide-coverslip preparation was used. For the search for Cryptosporidium spp. Ziehl-Neelsen staining was used. The results presented positivity for both oocysts of Cryptosporidium spp. and cysts of Giardia spp. in the water samples that were collected in the Antequera, Peru, and Mburicaó rivers, and only Cryptosporidium spp. in the waters of the Riachuelo River. The concentration of cysts and oocysts per microscopy field was higher in the Mburicaó river sample and, in decreasing order, in Peru and Antequera rivers. The concentration of Cryptosporidium spp. in the sample of the Riachuelo River was lower than the other samples. This was the first record of Cryptosporidium spp. in rivers of Paraguay in the scientific literature. We concluded that waters of urban rivers of the city of Asunción are contaminated with oocysts of Cryptosporidium spp. and cysts of Giardia spp. through the domestic sewage discharge. It is recommended that the population be advised to avoid contact with water from contaminated rivers and that sanitation measures to improve river water quality should be adopted by health authorities.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/45885/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALMargareteQeiroz_etal_IOC_2020.pdfMargareteQeiroz_etal_IOC_2020.pdfapplication/pdf498631https://www.arca.fiocruz.br/bitstream/icict/45885/2/MargareteQeiroz_etal_IOC_2020.pdf981c2a2783632c6f734ffaf99f7cdbf7MD52TEXTMargareteQeiroz_etal_IOC_2020.pdf.txtMargareteQeiroz_etal_IOC_2020.pdf.txtExtracted texttext/plain40356https://www.arca.fiocruz.br/bitstream/icict/45885/3/MargareteQeiroz_etal_IOC_2020.pdf.txt5c3955f914ed0789c4fccfa7eeda53a8MD53icict/458852021-01-31 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dc.title.pt_BR.fl_str_mv Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
title Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
spellingShingle Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
Norberg, Paulo Roberto Blanco Moreira
Cryptosporidium spp
Giardia spp
Enteroparasitoses
Contaminação dos rios
Paraguai
Cryptosporidium spp
Giardia spp
Enteroparasitoses
Rivers contamination
Paraguay
title_short Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
title_full Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
title_fullStr Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
title_full_unstemmed Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
title_sort Contamination of urban rivers in the city of Asunción, Paragauay, with oocysts of Cryprosporidium spp. and cysts of Giardia spp.
author Norberg, Paulo Roberto Blanco Moreira
author_facet Norberg, Paulo Roberto Blanco Moreira
Manhães, Fernanda Castro
Mangiavacchi, Bianca Magnelli
Ribeiro, Paulo César
Evangelista, Vinicius Dias
Queiroz, Margareth M. Carvalho
Norberg, Antonio Neres
author_role author
author2 Manhães, Fernanda Castro
Mangiavacchi, Bianca Magnelli
Ribeiro, Paulo César
Evangelista, Vinicius Dias
Queiroz, Margareth M. Carvalho
Norberg, Antonio Neres
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Norberg, Paulo Roberto Blanco Moreira
Manhães, Fernanda Castro
Mangiavacchi, Bianca Magnelli
Ribeiro, Paulo César
Evangelista, Vinicius Dias
Queiroz, Margareth M. Carvalho
Norberg, Antonio Neres
dc.subject.other.pt_BR.fl_str_mv Cryptosporidium spp
Giardia spp
Enteroparasitoses
Contaminação dos rios
Paraguai
topic Cryptosporidium spp
Giardia spp
Enteroparasitoses
Contaminação dos rios
Paraguai
Cryptosporidium spp
Giardia spp
Enteroparasitoses
Rivers contamination
Paraguay
dc.subject.en.pt_BR.fl_str_mv Cryptosporidium spp
Giardia spp
Enteroparasitoses
Rivers contamination
Paraguay
description Escola Metropolitana São Carlos. Bom Jesus de Itabapoana, RJ, Brasil.
publishDate 2020
dc.date.issued.fl_str_mv 2020
dc.date.accessioned.fl_str_mv 2021-01-30T14:56:04Z
dc.date.available.fl_str_mv 2021-01-30T14:56:04Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv NORBERG, Paulo Roberto Blanco Moreira et al. Contamination of urban rivers in the city of Asunción, Paraguay, with oocysts of Cryptosporidium spp. and cysts of Giardia spp. World Journal of Pharmacy and Pharmaceutical Sciences, v. 9, n. 1, p. 106-120, 2020.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/45885
dc.identifier.issn.pt_BR.fl_str_mv 2278 – 4357
dc.identifier.doi.none.fl_str_mv 10.20959/wjpps20201-15274
identifier_str_mv NORBERG, Paulo Roberto Blanco Moreira et al. Contamination of urban rivers in the city of Asunción, Paraguay, with oocysts of Cryptosporidium spp. and cysts of Giardia spp. World Journal of Pharmacy and Pharmaceutical Sciences, v. 9, n. 1, p. 106-120, 2020.
2278 – 4357
10.20959/wjpps20201-15274
url https://www.arca.fiocruz.br/handle/icict/45885
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Faculty of Pharmacy Medical University. Sofia, Bulgaria
publisher.none.fl_str_mv Faculty of Pharmacy Medical University. Sofia, Bulgaria
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
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collection Repositório Institucional da FIOCRUZ (ARCA)
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