Uwe Wollina1and Jörn Lohmann2 1Department of Dermatology and Allergology and 2Centre for Travellers Medicine and Vaccination, Academic Teaching Hospital Dresden-Friedrichstadt, Friedrichstrasse 41, 01067 Dresden, Germany. Introduction An estimated 100 million cases of dengue fever (DF) and 250,000 cases of dengue haemorrhagic fever (DHF) occurs annually worldwide [1]. The past 20 years have seen […]