1. aDepartment of Paediatrics, Centre hospitalier universitaire Souro Sanou, Bobo-Dioulasso, Burkina Faso.
2. bDepartment of Microbiology-Immunology, Centre Muraz, Bobo-Dioulasso, Burkina Faso.
3. cPharmacy Department, Centre hospitalier universitaire Souro Sanou, Bobo-Dioulasso, Burkina Faso.
4. dDepartment of Paediatrics and Department of Bacteriology-Virology, Centre hospitalier universitaire Montpellier, France.
5. eUniversité Paris Descartes, Paris, France.
6. fInstitut national de la santé et de la recherche médicale–Université Montpellier, Montpellier, France.
7. gUMI 233, IRD/UM1, BP 1857, Yaoundé, Cameroon.