Results: 50

Fatores associados ao não uso de preservativo e prevalência de HIV, hepatites virais B e C e sífilis: estudo transversal em comunidades rurais de Ouro Preto, Minas Gerais, entre 2014 e 2016

Epidemiol. serv. saúde; 28 (2), 2019
Objetivo: analisar os fatores sociodemográficos relacionados ao não uso do preservativo nas relações sexuais e a prevalência de infecções sexualmente transmissíveis (IST) em comunidades rurais de Ouro Preto, Minas Gerais, Brasil, entre 2014 e 2016. Métodos: foram coletados dados de entrevista i...

Bluetongue disease in sheep: a review

Arq. Inst. Biol; 86 (), 2019
The present review aims to show the main aspects related to bluetongue virus (BTV) infection in sheep. The bluetongue (BT) is a viral, infectious, and non-contagious disease caused by a virus (BTV) of the Orbivirus genus, transmited by a hematophagous vector of the Culicoides genus, to domestic and wild ...

Occurrence of antibodies against Leptospira spp. in donkeys of São Paulo state

Arq. Inst. Biol; 86 (), 2019
Among the diseases that affect equines, bacterial diseases play an important role from a health and economic point of view, especially leptospirosis and brucellosis. The study aimed to provide information on the occurrence of anti-Leptospira spp. and anti-Brucella abortus antibodies in donkeys of São Pa...

Performance assessment of imported ELISA in the serodiagnosis of the enzootic bovine leukosis in herds of Pernambuco state, Brazil

Arq. Inst. Biol; 86 (), 2019
Enzootic bovine leukosis (EBL) is an infectious disease of cosmopolitan distribution and chronic character caused by a virus of the Retroviridae family, bovine leukemia virus (BLV). The epidemiological situation of EBL in Brazil has motivated studies to improve its diagnosis, based on the recommended ser...

Occurrence of anti-Brucella abortus agglutinins in small ruminants in Sergipe

Arq. Inst. Biol; 86 (), 2019
The objective this study was to evaluate the occurrence of small ruminants seropositive for Brucella abortus in Sergipe, Brazil. Samples of sheep (1,200) and goats (675) serum blood was collected from 101 farms of 25 counties of the three mesoregions of the state. The technique of Acidified Buffered Acid...

Evaluation of dot-blot test for serological diagnosis of bovine brucellosis

Braz. j. microbiol; 49 (3), 2018
Abstract The objective of this study was to standardize and validate the dot-blot test for the serological diagnosis of bovine brucellosis, compare the results with those found in the 2-mercaptoethanol (2-ME) and complement fixation test (CF), and estimate the relative sensitivity and specificity of the ...

Potencial associação da doença celíaca com anemia ferropriva refratária em crianças e adolescentes

Arq. gastroenterol; 55 (1), 2018
ABSTRACT BACKGROUND: Celiac disease is an enteropathy caused by dietary gluten. The combination of serologic, genetic and histologic data has led to description of other categories of this disease. OBJECTIVE: There are a number of patients with iron deficiency anemia (IDA) that do not respond to iron t...

Development of an indirect ELISA based on recombinant capsid protein to detect antibodies to bovine leukemia virus

Braz. j. microbiol; 49 (supl.1), 2018
Abstract Serological testing and culling infected animals are key management practices aiming eradication of bovine leukemia virus infection. Here, we report the development of an indirect ELISA based on BLV recombinant capsid protein (BLVp24r) to detect anti-BLV antibodies in cattle serum. The BLVp24r w...

Toxoplasmosis congénita: Diagnóstico serológico, RPC, aislamiento y caracterización molecular de Toxoplasma gondii

Rev. chil. infectol; 35 (1), 2018
Resumen Introducción El diagnóstico de toxoplasmosis congénita (TC) en el recién nacido es muy importante porque debe recibir tratamiento siempre, sintomático o no, para evitar o aminorar las secuelas de la enfermedad. Objetivo Evaluación comparativa de los métodos disponibles en la institución...

Serological tests fail to discriminate dogs with visceral leishmaniasis that transmit Leishmania infantum to the vector Lutzomyia longipalpis

Abstract INTRODUCTION The control of reservoirs for Leishmania infantum -induced zoonotic visceral leishmaniasis requires the identification of dogs posing a population risk. Here, we assessed the performance of several assays to identify Lutzomyia longipalpis infectious dogs. METHODS We evaluated 99...