Affiliation: | Charité School of Medicine, Berlin, Germany (D.H. Kruger, P. Heinemann, P.T. Witkowski, B. Klempa); ;Chumakov Institute of Poliomyelitis and Viral Encephalitides, Moscow, Russia (E.A. Tkachenko, G. Malkin, A.A. Ishmukhametov, T.K. Dzagurova); ;Medical State University, Samara, Russia (V.G. Morozov); ;Anti-Plague Stations, Sochi, Russia (Y.V. Yunicheva); ;Anti-Plague Stations, Novorossiysk, Russia (O.M. Pilikova); ;Slovak Academy of Sciences, Bratislava, Slovakia (B. Klempa) |