Retrospective clinical case series study in 2017 identifies Plasmodium knowlesi as most frequent Plasmodium species in returning travellers from Thailand to Germany Froeschl, Guenter and Nothdurft, Hans Dieter and von Sonnenburg, Frank and Bretzel, Gisela and Polanetz, Roman and Kroidl, Inge and Seilmaier, Michael and Orth, Hans Martin and Jordan, Sabine and Kremsner, Peter and Vygen-Bonnet, Sabine and Pritsch, Michael and Hoelscher, Michael and Rothe, Camilla, Eurosurveillance, 23, 1700619 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.29.1700619