[El Bara, Ahmed] Inst Natl Rech Sante Publ, Lab Virol, Nouakchott, Mauritania;

[Boushab, Boushab Mohamed] Kiffa Hosp Ctr, Dept Internal Med & Infect Dis, Kiffa, Assaba, Mauritania; 

[Benane, Hacen Ahmed] Minist Elevage, Direct Serv Vet, Nouakchott, Mauritania; 

 [Abdellah, Moussa] Minist Sante, Direct Informat Strateg & Surveillance Epidemiol, Nouakchott, Mauritania