Abstract
We assessed the vector competence of Aedes caspius and Aedes albopictus mosquitoes in Spain for the transmission of Zika virus. Whereas Ae. albopictus mosquitoes were a competent vector, Ae. caspius mosquitoes were unable to transmit Zika virus. We also identified high levels of vertical transmission of Zika virus in Ae. albopictus mosquitoes.
Highlights
We assessed the vector competence of Aedes caspius and Aedes albopictus mosquitoes in Spain for the transmission of Zika virus
No autochthonous vectorborne Zika virus transmission has been reported in Spain, >316 imported cases of Zika virus have been confirmed [6]
We considered the interactions between virus strain and dpi and between virus strain and mosquito species
Summary
We assessed the vector competence of Aedes caspius and Aedes albopictus mosquitoes in Spain for the transmission of Zika virus. We offered to 4- to 7-day-old Ae. albopictus and Ae. aegypti female mosquitoes infectious blood meals containing either the CAM or PR strain at a final concentration of 7.6 log10 PFU/mL. To determine the ability of Ae. albopictus mosquitoes to vertically transmit Zika virus, 4- to 7-day-old females were infected with Zika PR as described, and noninfectious blood meals were offered weekly after the first oviposition.
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