Sexual transmission of Zika virus in Germany, April 2016 Frank, Christina and Cadar, Daniel and Schlaphof, Alexander and Neddersen, Neele and Günther, Stephan and Schmidt-Chanasit, Jonas and Tappe, Dennis, Eurosurveillance, 21, 30252 (2016), https://doi.org/10.2807/1560-7917.ES.2016.21.23.30252