About the Authors

Elise Guillermet

Affiliation Agence de Médecine Préventive (AMP), Ferney-Voltaire, France

Hamadou M. Dicko

Current Address: Gavi, The Vaccine Alliance, Geneva, Switzerland

Affiliation Agence de Médecine Préventive (AMP), Ferney-Voltaire, France

Le Thi Phuong Mai

Affiliation Ministry of Health, National Institute of Hygiene and Epidemiology, Hai Ba Trung, Ha Noi, Viet Nam

Mamadou N’Diaye

Affiliation Ministry of Health, Fann Résidence, Dakar, Senegal

Fatoumata Hane

Affiliation University of Ziguinchor, Ziguinchor, Senegal

Seydina Ousmane Ba

Affiliation Ministry of Health, Fann Résidence, Dakar, Senegal

Khadidjatou Gomis

Affiliation Ministry of Health, Fann Résidence, Dakar, Senegal

Nguyen Thi Thi Tho

Affiliation Ministry of Health, National Institute of Hygiene and Epidemiology, Hai Ba Trung, Ha Noi, Viet Nam

Nguyen Thi Phuong Lien

Affiliation Ministry of Health, National Institute of Hygiene and Epidemiology, Hai Ba Trung, Ha Noi, Viet Nam

Phan Dang Than

Affiliation Ministry of Health, National Institute of Hygiene and Epidemiology, Hai Ba Trung, Ha Noi, Viet Nam

Tran Van Dinh

Affiliation Ministry of Health, National Institute of Hygiene and Epidemiology, Hai Ba Trung, Ha Noi, Viet Nam

Philippe Jaillard

Affiliation Agence de Médecine Préventive (AMP), Ferney-Voltaire, France

Bradford D. Gessner

bgessner@aamp.org

Affiliation Agence de Médecine Préventive (AMP), Ferney-Voltaire, France

Anais Colombini

Affiliation Agence de Médecine Préventive (AMP), Ferney-Voltaire, France

Competing Interests

The authors have the following interests: This work was supported by Crucell. Elise Guillermet, Hamadou M. Dicko, Philippe Jaillard, Bradford D. Gessner and Anaïs Colombini work for the Agence de Médecine Préventive (AMP), which receives unrestricted funding from Sanofi Pasteur and grant-specific support from Crucell, Sanofi Pasteur, Pfizer, Merck, Novartis, and GlaxoSmithKline. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: EG HMD PJ BDG AC. Performed the experiments: HMD PJ LTPM NTTT NTPL PDT TVD MND SOB KG FH. Analyzed the data: EG HMD FH. Wrote the paper: EG HMD BDG AC.