Results: 39

Superinfection exclusion studies using West Nile virus and Culex flavivirus strains from Argentina

Mem. Inst. Oswaldo Cruz; 115 (), 2020
In Argentina, many Flavivirus were recognised including West Nile virus (WNV). During 2009 several strains of Culex Flavivirus (CxFV), an insect-specific flavivirus, were isolated in the same region where circulation of WNV was detected. Hence, the objective of this study was to analyse the effect of co-...

Zika virus serological diagnosis: commercial tests and monoclonal antibodies as tools

Zika virus (ZIKV), an emerging arthropod-borne virus (arbovirus) of the Flaviviridae family, is a current issue worldwide, particularly because of the congenital and neurological syndromes associated with infection by this virus. As the initial clinical symptoms of all diseases caused by this group are v...

Molecular survey of flaviviruses and orthobunyaviruses in Amblyomma spp. ticks collected in Minas Gerais, Brazil

Abstract Due to anthropic environmental changes, vector-borne diseases are emerging worldwide. Ticks are known vectors of several pathogens of concern among humans and animals. In recent decades, several examples of tick-borne emerging viral diseases have been reported (Crimean Congo hemorrhagic fever vi...

West Nile virus in Ecuador

Rev. MVZ Córdoba; 24 (1), 2019
ABSTRACT Several studies have been carried out to determine the presence and circulation of West Nile Virus (WNV) in several species that interact in important ecosystems of Ecuador, such as the Galapagos Islands, where presence and surveillance studies of WNV have been carried out in wild and migratory ...

Estudo da fauna de mosquitos (Diptera: Culicidae) com simultânea investigação de infecção natural por Flavivirus em duas Unidades de Conservação da Mata Atlântica, Estado de São Paulo

Os Flavivirus são transmitidos por mosquitos (Diptera: Culicidae) que se refugiam em remanesctentes de Mata Atlântica. Essas áreas verdes correspondem às Unidades de Conservação e parques urbanos, que estão espalhados pela região metropolitana de São Paulo. Este estudo foi realizado com o intuit...

Spatial distribution of Aedes aegypti (Diptera: Culicidae) in vulnerable areas for the transmission of arboviruses

Abstract INTRODUCTION: Areas at risk of transmission of arboviruses have been monitored using ovitraps. This study aimed to evaluate the spatial distribution of Aedes aegypti in vulnerable areas for the transmission of arboviruses and assess the influence of climatic conditions on the infestation of the...

Rápido diagnóstico do Zika vírus na saliva e na urina através da amplificação isotérmica mediada por loop (LAMP)

O Zika vírus (ZIKV) é um vírus RNA de fita única, pertencente à família Flaviviridae. É transmitido entre os humanos geralmente pelos mosquitos da espécie Aedes, mas transmissão via sexual, perinatal e por transfusão sanguínea também foram relatadas. Os sintomas aparecem em 20% dos indivíduo...

Enfermedad por virus Dengue: su prevención

Rev. Hosp. Niños B.Aires; 60 (268), 2018
El Dengue al igual que el zika y el chikungunya son enfermedades trasmitidas por vectores Más del 80% de la población mundial vive en zonas de riesgo de contraer al menos una de estas enfermedades. El dengue es transmitido por la picadura del mosquito hembra vector del género Aedes, especie A. aegypti...

Distribuição quantitativa dos casos de dengue no Paraná entre 2012 e 2016
Quantitative distribution of dengue cases in the state of Paraná between 2012-2016

Espaç. saúde (Online); 18 (2), 2017
Introdução: A dengue é uma das principais arboviroses no mundo e no Brasil é responsável por milhares de casos anualmente. No Paraná, a doença tornou-se endêmica a partir da última década. Objetivo: O trabalho quantificou os casos de dengue no Paraná entre 2012 e 2016, analisando distribuiçã...