Authors: Christina Frank; Jan Walter; Marion Muehlen; Andreas Jansen; Ulrich van Treeck; Anja M Hauri; Iris Zoellner; Magda Rakha; Marina Hoehne; Osamah Hamouda; Eckart Schreier; Klaus Stark Journal: Emerg Infect Dis Date: 2007-01 Impact factor: 6.883