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Evidence of Zika Virus RNA Fragments in Aedes albopictus (Diptera: Culicidae) Field-Collected Eggs From Camaçari, Bahia, Brazil

2017; Oxford University Press; Volume: 54; Issue: 4 Linguagem: Inglês

10.1093/jme/tjx058

ISSN

1938-2928

Autores

Chelsea T. Smartt, Tanise Stenn, Tse‐Yu Chen, Maria Glória Teixeira, Erivaldo P Queiroz, Luciano Souza Dos Santos, Gabriel Andrade Nonato Queiroz, Kathleen Ribeiro Souza, Luciano Kalabric Silva, Dongyoung Shin, Walter J. Tabachnick,

Tópico(s)

Insect symbiosis and bacterial influences

Resumo

A major mosquito-borne viral disease outbreak caused by Zika virus (ZIKV) occurred in Bahia, Brazil, in 2015, largely due to transmission by the mosquito, Aedes aegypti (L.). Detecting ZIKV in field samples of Ae. aegypti has proven problematic in some locations, suggesting other mosquito species might be contributing to the spread of ZIKV. In this study, several (five) adult Aedes albopictus (Skuse) mosquitoes that emerged from a 2015 field collection of eggs from Camaçari, Bahia, Brazil, were positive for ZIKV RNA; however, attempts to isolate live virus were not successful. Results from this study suggest that field-collected Ae. albopictus eggs may contain ZIKV RNA that require further tests for infectious ZIKV. There is a need to investigate the role of Ae. albopictus in the ZIKV infection process in Brazil and to study the potential presence of vertical and sexual transmission of ZIKV in this species.

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