Results: 179

Identification of Zika virus in immature phases of Aedes aegypti and Aedes albopictus: a surveillance strategy for outbreak anticipation

Braz. j. med. biol. res; 52 (11), 2019
A progressive increase in the circulation of arboviruses in tropical countries has been observed, accounting for 700,000 yearly deaths in the world. The main objective of this article was to identify the presence of Zika (ZIKV), dengue (DENV), and Chikungunya (CHIKV) viruses in immature stages of Aedes a...

Origin, tempo, and mode of the spread of DENV-4 Genotype IIB across the state of São Paulo, Brazil during the 2012-2013 outbreak

Mem. Inst. Oswaldo Cruz; 114 (), 2019
BACKGROUND Dengue virus type 4 (DENV-4) was first reported in Brazil in 1982 and since then no more cases were detected again in Brazil until 2010, when the virus was reintroduced. Over the following years, the virus spread to several Brazilian states and resulted in about 1,400,000 dengue cases, in 201...

Signos de alarma en pacientes cubanos con dengue según nueva clasificación revisada de la Organización Mundial de la Salud
Warning signs in Cuban patients with dengue fever according to new reviewed classification of the World Health Organization

Medisan; 22 (8), 2018
Se realizó un estudio observacional, descriptivo y transversal en el Instituto de Medicina Tropical Pedro Kourí de La Habana, donde estuvieron ingresados 485 pacientes desde enero hasta diciembre de 2012 con diagnóstico de infección por dengue, de los cuales se escogió una muestra de 247. Entre los ...

Efectividad del Vimang® en pacientes con lesión hepática a causa del virus del dengue
Effectiveness of the Vimang® in patients with liver damage due to dengue virus

Medisan; 22 (8), 2018
Introducción: En la evolución de la infección por el virus de dengue es frecuente la aparición de la lesión hepática, lo cual se asocia con el estrés oxidativo. Objetivo: Demostrar la efectividad del concentrado de Vimang® en pacientes con diagnóstico de lesión hepática por virus del dengue...

Nuclei ultrastructural changes of C6/36 cells infected with virus dengue type 2

Biomédica (Bogotá); 38 (supl.2), 2018
ABSTRACT Introduction: Dengue virus replication has been considered mainly cytoplasmic, however, studies indicate that some flaviviruses may use the intranuclear pathway as part of the machinery that the virus uses to increase infection capacity in the host cell. This paper describes alterations at nucl...

Differences in the replicative capacities of clinical isolates of dengue virus in C6/36 cells and in urban populations of Aedes aegypti from Colombia, South America

Braz. j. infect. dis; 22 (4), 2018
ABSTRACT Dengue, the most prevalent arboviral disease worldwide, is caused by any of the four dengue virus (DENV) serotypes that co-circulate constantly in hyperendemic areas such as Medellin (Colombia), and these serotypes are transmitted by mosquitoes of the genus Aedes. In this study, we evaluated the...

Dengue seroprevalence and its socioeconomic determinants in Faisalabad, Pakistan: a cross-sectional study

Abstract INTRODUCTION: Socioeconomic disparities in the community make some groups more vulnerable to dengue infection. METHODS: Fourteen dengue cases (IgM positive) served as index cases for the positive geographic cluster investigations. RESULTS: Of 292 individuals, the overall dengue seroprevale...

Viremia en plasma como factor asociado a gravedad en la infección por el virus del dengue: revisión sistemática de la literatura

Rev. chil. infectol; 35 (2), 2018
Resumen Introducción: La viremia plasmática es un factor cuyo rol en la gravedad de la infección por el virus del dengue se ha discutido ampliamente en los últimos años, siendo hallados resultados divergentes en los múltiples contextos evaluados. Métodos: Se realizó una revisión sistemática d...

Clinical and epidemiological teaching of dengue through simulated practice

Rev. bras. enferm; 71 (2), 2018
ABSTRACT Objective: to describe the experience of clinical teaching on dengue and the practice of epidemiological surveillance using problematization methodology. Method: report of experience on educational activity with undergraduate nursing students, held in March 2016, at a public university in the ...

Evaluating the use of fluorescence-based flow cytometry assay for dengue diagnosis using peripheral blood mononuclear cells

Abstract INTRODUCTION: Dengue virus (DENV) is the most important arthropod-borne viral disease worldwide with an estimated 50 million infections occurring each year. METHODS: In this study, we present a flow cytometry assay (FACS) for diagnosing DENV, and compare its results with those of the non-str...