Culex mosquitoes are experimentally unable to transmit Zika virus

Author:

Amraoui Fadila12,Atyame-Nten Célestine12,Vega-Rúa Anubis3,Lourenço-de-Oliveira Ricardo4,Vazeille Marie2,Failloux Anna Bella2

Affiliation:

1. These authors contributed equally to this manuscript

2. Institut Pasteur, Arboviruses and Insect Vectors, Department of Virology, Paris, France

3. Institut Pasteur of Guadeloupe, Laboratory of Medical Entomology, Environment and Health Unit, Les Abymes, Guadeloupe

4. Instituto Oswaldo Cruz, Laboratório de Mosquitos Transmissores de Hematozoários, Rio de Janeiro, Brazil

Abstract

We report that two laboratory colonies of Culex quinquefasciatus and Culex pipiens mosquitoes were experimentally unable to transmit ZIKV either up to 21 days post an infectious blood meal or up to 14 days post intrathoracic inoculation. Infectious viral particles were detected in bodies, heads or saliva by a plaque forming unit assay on Vero cells. We therefore consider it unlikely that Culex mosquitoes are involved in the rapid spread of ZIKV.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

Reference27 articles.

1. Differential Susceptibilities of Aedes aegypti and Aedes albopictus from the Americas to Zika Virus.;Chouin-Carneiro;PLoS Negl Trop Dis,2016

2. New evidence for the potential role of Culex pipiens mosquitoes in the transmission cycle of West Nile virus in Tunisia.;Krida;Med Vet Entomol,2015

3. Research on mosquito resistance to insecticides at the University of California, Riverside.;Georghiou;Proc Pap Annu Conf Calif Mosq Control Assoc,1966

4. Multiple insecticide resistances in the disease vector Culex p. quinquefasciatus from Western Indian Ocean.;Pocquet;PLoS One,2013

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