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. 2015 May;52(3):447-51.
doi: 10.1093/jme/tjv017. Epub 2015 Mar 15.

Evaluation of Simultaneous Transmission of Chikungunya Virus and Dengue Virus Type 2 in Infected Aedes aegypti and Aedes albopictus (Diptera: Culicidae)

J T Nuckols  1 , Y-J S Huang  2 , S Higgs  2 , A L Miller  3 , R B Pyles  3 , H M Spratt  4 , K M Horne  5 , D L Vanlandingham  6
Affiliations

Evaluation of Simultaneous Transmission of Chikungunya Virus and Dengue Virus Type 2 in Infected Aedes aegypti and Aedes albopictus (Diptera: Culicidae)

J T Nuckols et al. J Med Entomol. 2015 May.

Abstract

The simultaneous transmission of chikungunya virus (CHIKV) and dengue viruses (DENV) has been a major public health concern because of their sympatric distribution and shared mosquito vectors. Groups of Aedes aegypti (L.) and Aedes albopictus (Skuse) were orally infected with 1.5 × 10(5) PFU/ml of CHIKV and 3.2 × 10(6) FFU/ml of DENV-2 simultaneously or separately in inverse orders and evaluated for dissemination and transmission by qRT-PCR. Simultaneous dissemination of both viruses was detected for all groups in Ae. aegypti and Ae. albopictus while cotransmission of CHIKV and DENV-2 only occurred at low rates after sequential but not simultaneous infection.

Keywords: Aedes aegypti; Aedes albopictus; chikungunya; dengue; transmission.

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