[1] Univ Bonn, Med Ctr, Inst Virol, D-53127 Bonn, Germany
[2] Bernhard Nocht Inst Trop Med, Hamburg, Germany
[3] Kwame Nkrumah Univ Sci & Technol, Kumasi, Ghana
[4] Noctalis, Ctr Bat Protect & Informat, Bad Segeberg, Germany
[5] Kumasi Ctr Collaborat Res Trop Med, Kumasi, Ghana
[6] Acad Sci Czech Republ, Inst Vertebrate Biol, Brno, Czech Republic