[1] Charite Univ Med Berlin, Berlin, Germany
[2] Free Univ Berlin, Berlin, Germany
[3] Humboldt Univ, Inst Virol, Berlin, Germany
[4] Ecole Normale Super Natitingou, Natitingou, Benin
[5] Univ Natl Sci Technol Ingn & Math UNSTIM, Cotonou, Benin
[6] Lab Fievres Hemorragigues Virales Benin, Cotonou, Benin
[7] Minist Hlth, Cotonou, Benin
[8] Conseil Natl Lutte VIH Sida TB Paludisme IST & Ep, Cotonou, Benin
[9] WHO, Hlth Emergencies Programme, Reg Off Africa, Brazzaville, Rep Congo
[10] Deutsch Gesell Int Zusammenarbeit, Bonn, Germany
[11] Charite Univ Med Berlin, German Ctr Infect Res DZIF, Berlin, Germany
[12] TIB Molbiol Syntheselab GmbH, Berlin, Germany