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The Zika virus is of global concern since it spread epidemically in Latin America and caused severe birth deformities in pregnan-cies. In our biosafety insectary, we studied domestic mosquito species (Culex spp.) as well as the Asian tiger mosquito (Aedes albopictus), which is currently invading Germany from the south, with regard to their competence to transmit Zika viruses.
None of the domestic mosquitoes was able to do so and Aedes albopictus only at tempe-ratures above 27oC . These high temperatu-res have to be stable over two to three weeks to allow sufficient virus propagation, this only occurs in extraordinarily hot German summers. Additionally, for causing an outbreak, a person carrying Zika viruses in the blood must enter the country and must be bitten by one of these mosquitoes during such a period – an extremely unlikely event.
Anna Heitmann, Stephanie Jansen, Renke Lühken, Mayke Leggewie, Marlis Badusche, Jonas Schmidt- Chanasit, Egbert Tannich and external co-operation partners (see publication)