About the Authors

John Njuma Libwea

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

Libwea_j@yahoo.com

Affiliations Faculty of Social Sciences, Health Sciences Unit, Tampere University, Tampere, Finland, Expanded Programme on Immunization, Yaoundé, Cameroon

Sandrine Rachel Bebey Kingue

Roles Data curation, Investigation, Resources, Supervision, Validation, Visualization, Writing – review & editing

Affiliations Mother & Child Centre (MCH), Chantal Biya Foundation, Yaoundé, Cameroon, Faculty of Sciences, Department of Medical Microbiology, University of Yaoundé 1, Yaoundé, Cameroon

Nadesh Taku Ashukem

Roles Data curation, Formal analysis, Methodology, Project administration, Resources, Writing – review & editing

Affiliations Mother & Child Centre (MCH), Chantal Biya Foundation, Yaoundé, Cameroon, Faculty of Sciences, Department of Microbiology, University of Buea, Buea, Cameroon

Marie Kobela

Roles Conceptualization, Data curation, Investigation, Methodology, Resources, Supervision, Validation, Writing – review & editing

Affiliations Expanded Programme on Immunization, Yaoundé, Cameroon, Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon

Angeline Boula

Roles Conceptualization, Data curation, Investigation, Resources, Supervision, Validation, Writing – review & editing

Affiliation Mother & Child Centre (MCH), Chantal Biya Foundation, Yaoundé, Cameroon

Koulla-Shiro Sinata

Roles Data curation, Investigation, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

Affiliations Faculty of Sciences, Department of Microbiology, University of Buea, Buea, Cameroon, Ministry of Public Health, Yaoundé, Cameroon

Paul Koki Ndombo

Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing

Affiliations Mother & Child Centre (MCH), Chantal Biya Foundation, Yaoundé, Cameroon, Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon

Competing Interests

The authors have declared that no competing interests exist.