About the Authors

Ndongo Dia

Affiliation Virological Unit, Pasteur Institute in Dakar, Dakar, Senegal

Fatoumata Diene Sarr

Affiliation Epidemiology Unit, Pasteur Institute in Dakar, Dakar, Senegal

Diamilatou Thiam

Affiliation Epidemiology Unit, Pasteur Institute in Dakar, Dakar, Senegal

Tening Faye Sarr

Affiliation Epidemiology Unit, Pasteur Institute in Dakar, Dakar, Senegal

Emmanuelle Espié

Affiliation Epidemiology Unit, Pasteur Institute in Dakar, Dakar, Senegal

Ibrahim OmarBa

Affiliation Ministry of Health, Dakar, Sénégal

Malang Coly

Affiliation World Health Organization, Dakar, Sénégal

Mbayame Niang

Affiliation Virological Unit, Pasteur Institute in Dakar, Dakar, Senegal

Vincent Richard

vrichard@pasteur.sn

Affiliation Epidemiology Unit, Pasteur Institute in Dakar, Dakar, Senegal

for the 4S Network Group

Membership of the 4S Network Group is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VR. Performed the experiments: ND FDS DT TFS MN VR. Analyzed the data: ND DT MN VR. Contributed reagents/materials/analysis tools: ND IOB MC EE MN VR. Wrote the paper: ND FDS MN EE VR. Steering committee decision: IOB MC MN FDS VR.