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ZIKA VIRUS CAN BE VENEREALLY TRANSMITTED BETWEEN AEDES AEGYPTI MOSQUITOES
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Abstract
Background: Alternative transmission routes have been described for Zika virus (ZIKV). Here, we assessed for the
first time the venereal transmission of ZIKV between Aedes aegypti under laboratory conditions.
Results: Orally-infected mosquito females were able to transmit the virus to males venereally, and males inoculated
intrathoracically were capable of infecting females during mating. The genome of venereally-transmitted virus recovered
from males was identical to that of ZIKV ingested by mated females.
Conclusion: We conclude that venereal transmission between Aedes mosquitoes might contribute to Zika virus
maintenance in nature.
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