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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 106, No. 6, 2011, pp. 755-758
Bioline Code: oc11127
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 106, No. 6, 2011, pp. 755-758

 en Potential impact of a presumed increase in the biting activity of dengue-virus-infected Aedes aegypti check for this species in other resources (Diptera: Culicidae) females on virus transmission dynamics
Luz, Paula; Lima-Camara, Tamara; Bruno, Rafaela; Castro, Márcia; Sorgine, Marcos; Lourenço-de-Oliveira, Ricardo & Peixoto, Alexandre


Recently, we showed that infection with dengue virus increases the locomotor activity of Aedes aegypti check for this species in other resources females. We speculate that the observed increased locomotor activity could potentially increase the chances of finding a suitable host and, as a consequence, the relative biting rate of infected mosquitoes. We used a mathematical model to investigate the impact of the increased locomotor activity by assuming that this activity translated into an increased biting rate for infected mosquitoes. The results show that the increased biting rate resulted in dengue outbreaks with greater numbers of primary and secondary infections and with more severe biennial epidemics.

Aedes aegypti, locomotor activity, dengue transmission

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