[1] Univ Liege, Fac Vet Med, Immunol Vet Dept, Liege, Belgium
[2] Karolinska Inst, Ctr Microbiol & Tumor Biol, Stockholm, Sweden
[3] Swedish Inst Infect Dis Control, Stockholm, Sweden
[4] Queen Astrid Mil Hosp, Res Lab Vector Borne Dis, Brussels, Belgium
[5] Inst Pasteur, Rabies Dept, Brussels, Belgium