Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil

Abstract Diagnosis is crucial for controlling giardiasis. We determined the prevalence and genetically characterize isolates of Giardia duodenalis of children and dogs from rural communities in northeastern Brazil. G. duodenalis cysts were concentrated by centrifugal flotation/sedimentation. Molecul...

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Main Authors: Tatiani Vitor Harvey, Jamille Pinto dos Santos Carvalho, Monally Conceição Costa de Aquino, Bruno César Miranda Oliveira, Luiz Daniel de Barros, Hllytchaikra Ferraz Fehlberg, Christiane Maria Barcellos Magalhães da Rocha, George Rego Albuquerque
Format: Article
Language:English
Published: Colégio Brasileiro de Parasitologia Veterinaria 2023-02-01
Series:Revista Brasileira de Parasitologia Veterinária
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612023000100308&lng=en&tlng=en
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author Tatiani Vitor Harvey
Jamille Pinto dos Santos Carvalho
Monally Conceição Costa de Aquino
Bruno César Miranda Oliveira
Luiz Daniel de Barros
Hllytchaikra Ferraz Fehlberg
Christiane Maria Barcellos Magalhães da Rocha
George Rego Albuquerque
author_facet Tatiani Vitor Harvey
Jamille Pinto dos Santos Carvalho
Monally Conceição Costa de Aquino
Bruno César Miranda Oliveira
Luiz Daniel de Barros
Hllytchaikra Ferraz Fehlberg
Christiane Maria Barcellos Magalhães da Rocha
George Rego Albuquerque
author_sort Tatiani Vitor Harvey
collection DOAJ
description Abstract Diagnosis is crucial for controlling giardiasis. We determined the prevalence and genetically characterize isolates of Giardia duodenalis of children and dogs from rural communities in northeastern Brazil. G. duodenalis cysts were concentrated by centrifugal flotation/sedimentation. Molecular characterization was carried out using the loci ssu-rRNA, bg, tpi, and gdh. By parasitological techniques, Giardia spp. infection was detected in 72/192 children (37.5%; 95% CI: 30.6%-44.7%) and 24/139 dogs (17.3%; 95% CI: 11.4%-24.6%). By molecular analysis, infection was detected in 60/141 children (42.5%; 95% CI: 34.3%-51.2%) and 26/92 dogs (28.3%; 95% CI: 19.4%-38.6%). The total prevalence of giardiasis was 54.9% in children (106/193; 95% CI: 47.1%-61.6%) and 32.9% in dogs (47/143; 95% CI: 25.2%-41.2%). Zoonotic assemblages A and B of G. duodenalis were detected in children, and assemblage E of G. duodenalis was detected in one child and two dogs. Parallel use of parasitological and molecular techniques proved to be a more effective strategy for detecting giardiasis in children and dogs from endemic areas.
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spelling doaj.art-37db01eaa8074508a6cb59efd0daa03f2023-02-21T07:33:06ZengColégio Brasileiro de Parasitologia VeterinariaRevista Brasileira de Parasitologia Veterinária1984-29612023-02-0132110.1590/s1984-29612023010Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern BrazilTatiani Vitor Harveyhttps://orcid.org/0000-0002-8118-7713Jamille Pinto dos Santos CarvalhoMonally Conceição Costa de AquinoBruno César Miranda OliveiraLuiz Daniel de BarrosHllytchaikra Ferraz FehlbergChristiane Maria Barcellos Magalhães da RochaGeorge Rego AlbuquerqueAbstract Diagnosis is crucial for controlling giardiasis. We determined the prevalence and genetically characterize isolates of Giardia duodenalis of children and dogs from rural communities in northeastern Brazil. G. duodenalis cysts were concentrated by centrifugal flotation/sedimentation. Molecular characterization was carried out using the loci ssu-rRNA, bg, tpi, and gdh. By parasitological techniques, Giardia spp. infection was detected in 72/192 children (37.5%; 95% CI: 30.6%-44.7%) and 24/139 dogs (17.3%; 95% CI: 11.4%-24.6%). By molecular analysis, infection was detected in 60/141 children (42.5%; 95% CI: 34.3%-51.2%) and 26/92 dogs (28.3%; 95% CI: 19.4%-38.6%). The total prevalence of giardiasis was 54.9% in children (106/193; 95% CI: 47.1%-61.6%) and 32.9% in dogs (47/143; 95% CI: 25.2%-41.2%). Zoonotic assemblages A and B of G. duodenalis were detected in children, and assemblage E of G. duodenalis was detected in one child and two dogs. Parallel use of parasitological and molecular techniques proved to be a more effective strategy for detecting giardiasis in children and dogs from endemic areas.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612023000100308&lng=en&tlng=enDiarrheadog populationparasitological diagnosisprotozoavulnerable communitieszoonoses
spellingShingle Tatiani Vitor Harvey
Jamille Pinto dos Santos Carvalho
Monally Conceição Costa de Aquino
Bruno César Miranda Oliveira
Luiz Daniel de Barros
Hllytchaikra Ferraz Fehlberg
Christiane Maria Barcellos Magalhães da Rocha
George Rego Albuquerque
Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
Revista Brasileira de Parasitologia Veterinária
Diarrhea
dog population
parasitological diagnosis
protozoa
vulnerable communities
zoonoses
title Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
title_full Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
title_fullStr Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
title_full_unstemmed Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
title_short Giardiasis in children and dogs, and the first report of assemblage E in dogs from northeastern Brazil
title_sort giardiasis in children and dogs and the first report of assemblage e in dogs from northeastern brazil
topic Diarrhea
dog population
parasitological diagnosis
protozoa
vulnerable communities
zoonoses
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612023000100308&lng=en&tlng=en
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