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 × 105 PFU/ml of CHIKV and 3.2 × 106 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.
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1 May 2015
Evaluation of Simultaneous Transmission of Chikungunya Virus and Dengue Virus Type 2 in Infected Aedes aegypti and Aedes albopictus (Diptera: Culicidae)
J. T. Nuckols,
Y.-J. S. Huang,
S. Higgs,
A. L. Miller,
R. B. Pyles,
H. M. Spratt,
K. M. Horne,
D. L. Vanlandingham
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Journal of Medical Entomology
Vol. 52 • No. 3
May 2015
Vol. 52 • No. 3
May 2015
Aedes aegypti
Aedes albopictus
chikungunya
dengue
transmission
