About the Authors

Bakalilu Kijera

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

bkkijera@gmail.com

Affiliation Expanded Program on Immunization, Ministry of Health, Banjul, The Gambia

Alieu Sowe

Roles Formal analysis, Methodology, Supervision, Writing – review & editing

Affiliation Directorate of Public Health Services, Ministry of Health, Banjul, The Gambia

Mary Bobb

Roles Investigation, Methodology, Resources, Writing – review & editing

Affiliation Epidemiology and Disease Control Program, Ministry of Health, Banjul, The Gambia

Sarja Jarjusey

Roles Investigation, Methodology, Resources, Writing – review & editing

Affiliation PATH, Banjul, The Gambia

Lamin F. Manjang

Roles Investigation, Methodology, Resources, Writing – review & editing

Affiliation Directorate of Research, Ministry of Health, Banjul, The Gambia

Salimina Sillah

Roles Investigation, Methodology, Resources, Writing – review & editing

Affiliation National Health Insurance Scheme, Banjul, The Gambia

Oghenebrume Wariri

Roles Formal analysis, Investigation, Methodology, Supervision, Visualization, Writing – review & editing

Affiliations Vaccines and Immunity Theme, MRC Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia, Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.