Original Research Dynamic factors associated with COVID-19 vaccine uptake in Cameroon between 2021 and 2022

Dora Tchiasso, Patricia Mendjime, Karl Njuwa Fai, Brenda S. Nana Wandji, Francis Yuya, Éric Youm, Amelia M. Stanton, Ismaila Karimu, Lisa M. Bebell, Lucrece Matchim, Bongkiyung D. Buri, Rodrigue Ntone, Cyrille Yonta, Claudric R. Tchame, Rachelle Essaka, Justin B. Eyong, Audrey Ngosso, Herwin Nanda, Robert Nsaibirni, Mark Ndifon, Lucrèce Eteki, Nadia Mandeng, Anne-Cécile Zoung-Kani Bisseck, Modeste T. Koku, Emilienne Epée, Georges-Alain Etoundi Mballa, Shalom Tchocfe Ndoula, Linda Esso, Yap Boum II

Journal of Public Health in Africa | Vol 15, No 1 | a578 | DOI: https://doi.org/10.4102/jphia.v15i1.578 | © 2024 Dora Tchiasso, Patricia Mendjime, Karl Njuwa Fai, Brenda S. Nana Wandji, Francis Yuya, Éric Youm, Amelia M. Stanton, Ismaila Karimu, Lisa M. Bebell, Lucrece Matchim, Bongkiyung D. Buri, Rodrigue Ntone, Cyrille Yonta, Claudric R. Tchame, Rachelle Essaka, J | This work is licensed under CC Attribution 4.0
Submitted: 02 May 2024 | Published: 24 October 2024

About the author(s) Dora Tchiasso, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon, Cameroon
Patricia Mendjime, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon
Karl Njuwa Fai, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon, Cameroon
Brenda S. Nana Wandji, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon
Francis Yuya, Epicentre, Paris, France
Éric Youm, Epicentre, Paris, France
Amelia M. Stanton, Department of Psychological and Brain Sciences, Boston University, Boston, United States of America
Ismaila Karimu, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon
Lisa M. Bebell, Department of Medicine, Massachusetts General Hospital, Boston, United States of America; and, Havard Medical School, Boston, United States of America
Lucrece Matchim, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon
Bongkiyung D. Buri, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon
Rodrigue Ntone, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon
Cyrille Yonta, Epicentre, Yaoundé, Cameroon
Claudric R. Tchame, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon
Rachelle Essaka, Laboratoire du Lac, Yaoundé, Cameroon
Justin B. Eyong, Epicentre, Paris, France
Audrey Ngosso, Epicentre, Yaoundé, Cameroon
Herwin Nanda, Epicentre, Yaoundé, Cameroon
Robert Nsaibirni, Epicentre, Paris, France
Mark Ndifon, Epicentre, Paris, France
Lucrèce Eteki, World Health Organisation, Yaoundé, Cameroon
Nadia Mandeng, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon
Anne-Cécile Zoung-Kani Bisseck, Division of Operational Research in Health, Ministry of Public Health, Yaoundé, Cameroon; and, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
Modeste T. Koku, Médecins Sans Frontières Suisse, Yaoundé, Cameroon
Emilienne Epée, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
Georges-Alain Etoundi Mballa, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
Shalom Tchocfe Ndoula, Expanded Programme on Immunization, Ministry of Public Health, Yaoundé, Cameroon
Linda Esso, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
Yap Boum II, Public Health Emergency Operation Center, Ministry of Public Health, Yaoundé, Cameroon; and, Epicentre, Yaoundé, Cameroon; and, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon

Abstract

Background: Little is known about attitudes towards COVID-19 vaccination in sub-Saharan Africa, where immunisation coverage is the lowest in the world.

Aim: The study aimed to identify factors associated with COVID-19 vaccine hesitancy and uptake in Cameroon, and assess changes in these factors over a period of time.

Setting: The study was conducted in the ten regions of Cameroon.

Methods: The authors conducted a two-phase cross-sectional survey in the 10 regions of Cameroon, from July 2021 to August 2021 (Phase one) and from August 2022 to September 2022 (Phase two). We analysed reasons for vaccine hesitancy descriptively and used logistic regression to assess factors associated with hesitancy.

Results: Overall, we enrolled 12 109 participants: 6567 (54.23%) in Phase one and 5542 (45.77%) in Phase two. Of these, 8009 (66.14%) were not interested in receiving the COVID-19 vaccine (n = 4176 in Phase one, n = 3833 in Phase two). The refusal rate increased significantly in the northern region from 27.00% in Phase 1 to 60.00% in Phase two. The leading contributor to COVID-19 vaccine hesitancy was fear that the vaccine was dangerous, which was significantly associated (95% confidence interval [CI], p < 0.05%) with vaccine refusal in both phases. Overall, 32.90% of participants (n = 2578) perceived the COVID-19 vaccine to be dangerous. Advanced age, male gender, Muslim religion and low level of education were associated with vaccine acceptance. Participants reported that healthcare workers were the most trusted source of information about the COVID-19 vaccine by 5005 (42.84%) participants.

Conclusion: Despite the investment of the Ministry of Health and its partners in community engagement, focussing on communication about the vaccine efficacy, tolerance and potential adverse events, fear of the vaccine remains high, likely leading to vaccine hesitancy in Cameroon between 2021 and 2022.

Contribution: The study highlight regional variations in COVID-19 vaccine acceptance in Cameroon, with factors age, gender, religion and education influencing willingness to vaccine. Trust in health workers was high, indicating that, tailored, community-led vaccination strategies are key for improving vaccine uptake, not only for COVID-19 but also for future epidemics.

Keywords

COVID-19; vaccine; hesitancy; heterogeneity; Cameroon

Sustainable Development Goal

Goal 3: Good health and well-being

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