[1] Inst Pasteur, Virol Dept, Arboviruses & Hemorrhag Fever Viruses Unit, BP220, Dakar, Senegal
[2] Cheikh Anta Diop Univ Dakar, Fac Sci & Tech, Anim Biol Dept, Dakar, Senegal
[3] Inst Pasteur, Epidemiol Clin Res & Data Sci Dept, BP220, Dakar, Senegal
[4] Minist Hlth, Prevent Dept, Epidemiol Surveillance Div, Dakar, Senegal