C. Wiysonge

Most-cited papers

1. Global prevalence and burden of depressive and anxiety disorders in 204 countries and territories in 2020 due to the COVID-19 pandemic

   D. Santomauro, A. M. Mantilla Herrera, Jamileh Shadid, P. Zheng +63 more

   2021The Lancet3,863 citations Open access

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2. Estimating excess mortality due to the COVID-19 pandemic: a systematic analysis of COVID-19-related mortality, 2020–21

   Haidong Wang, K. Paulson, Spencer A. Pease, S. Watson +92 more

   2022The Lancet1,447 citations Open access

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3. Estimated Global Proportions of Individuals With Persistent Fatigue, Cognitive, and Respiratory Symptom Clusters Following Symptomatic COVID-19 in 2020 and 2021.

   Sarah Wulf Hanson, C. Abbafati, J. Aerts, Ziyad Al-Aly +123 more

   2022Journal of the American Medical Association (JAMA)725 citations Open access

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4. Understanding COVID-19 vaccine hesitancy

   S. Machingaidze, C. Wiysonge

   2021Nature Medicine546 citations Open access

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5. Pandemic preparedness and COVID-19: an exploratory analysis of infection and fatality rates, and contextual factors associated with preparedness in 177 countries, from Jan 1, 2020, to Sept 30, 2021

   Thomas J. Bollyky, E. Hulland, Ryan M. Barber, James Collins +81 more

   2022The Lancet351 citations Open access

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6. Global, regional, and national progress towards Sustainable Development Goal 3.2 for neonatal and child health: all-cause and cause-specific mortality findings from the Global Burden of Disease Study 2019

   K. Paulson, Aruna M Kamath, Tahiya Alam, Kelly Bienhoff +496 more

   2021The Lancet341 citations Open access

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7. Vaccine hesitancy in the era of COVID-19: could lessons from the past help in divining the future?

   C. Wiysonge, D. Ndwandwe, Jill Ryan, A. Jaca +3 more

   2021Human Vaccines & Immunotherapeutics286 citations Open access

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8. Estimating global, regional, and national daily and cumulative infections with SARS-CoV-2 through Nov 14, 2021: a statistical analysis

   Ryan M. Barber, R. Sorensen, D. Pigott, Catherine Bisignano +68 more

   2022The Lancet232 citations Open access

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9. COVID-19 vaccine hesitancy in South Africa: how can we maximize uptake of COVID-19 vaccines?

   S. Cooper, H. van Rooyen, C. Wiysonge

   2021Expert Review of Vaccines199 citations Open access

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10. Anemia prevalence in women of reproductive age in low- and middle-income countries between 2000 and 2018

    Damaris K. Kinyoki, A. Osgood-Zimmerman, N. V. Bhattacharjee, Lauren E. Alice Dan Samuel B. Katie M. Ian D. Michael Meg Schaeffer Lazzar-Atwood Lu Ewald Donkers Letournea +496 more

    2021Nature Medicine195 citations Open access

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11. COVID-19 vaccine hesitancy: the five Cs to tackle behavioural and sociodemographic factors

    M. Razai, P. Oakeshott, A. Esmail, C. Wiysonge +2 more

    2021Journal of the Royal Society of Medicine132 citations Open access

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12. Factors that influence parents' and informal caregivers' views and practices regarding routine childhood vaccination: a qualitative evidence synthesis

    S. Cooper, B. Schmidt, E. Sambala, A. Swartz +3 more

    2021Cochrane Database of Systematic Reviews117 citations Open access

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13. Vaccine hesitancy in migrant communities: a rapid review of latest evidence.

    A. S. Tankwanchi, B. Bowman, M. Garrison, H. Larson +1 more

    2021Current Opinion in Immunology112 citations Open access

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14. Health trends, inequalities and opportunities in South Africa’s provinces, 1990–2019: findings from the Global Burden of Disease 2019 Study

    T. Achoki, B. Sartorius, D. Watkins, S. Glenn +41 more

    2022Journal of Epidemiology and Community Health102 citations Open access

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15. Addressing challenges to rolling out COVID-19 vaccines in African countries

    J. Nachega, N. Sam-Agudu, R. Masekela, M. M. van der Zalm +16 more

    2021Lancet Global Health96 citations Open access

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16. A global systematic analysis of the occurrence, severity, and recovery pattern of long COVID in 2020 and 2021

    S. Hanson, C. Abbafati, J. Aerts, Ziyad Al-Aly +124 more

    2022medRxiv82 citations Open access

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17. A Systematic Review of Interventions to Improve HPV Vaccination Coverage

    E. Mavundza, C. Iwu-Jaja, A. Wiyeh, B. Gausi +3 more

    2021Vaccines82 citations Open access

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18. COVID-19 vaccine acceptance and hesitancy among healthcare workers in South Africa

    C. Wiysonge, S. M. Alobwede, Patrick de Marie C Katoto, E. Kidzeru +5 more

    2022Expert Review of Vaccines80 citations Open access

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19. Strengthening the Health System as a Strategy to Achieving a Universal Health Coverage in Underprivileged Communities in Africa: A Scoping Review

    A. Jaca, T. Malinga, C. Iwu-Jaja, C. Nnaji +3 more

    2022International Journal of Environmental Research and Public Health70 citations Open access

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20. A critical review of measures of childhood vaccine confidence

    G. Shapiro, J. Kaufman, N. Brewer, K. Wiley +18 more

    2021Current Opinion in Immunology67 citations Open access

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21. Efficacy, safety, and immunogenicity of a booster regimen of Ad26.COV2.S vaccine against COVID-19 (ENSEMBLE2): results of a randomised, double-blind, placebo-controlled, phase 3 trial

    K. Hardt, A. Vandebosch, J. Sadoff, Mathieu le Gars +284 more

    2022Lancet. Infectious Diseases (Print)65 citations Open access

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22. COVID-19 Vaccines Safety Tracking (CoVaST): Protocol of a Multi-Center Prospective Cohort Study for Active Surveillance of COVID-19 Vaccines’ Side Effects

    Abanoub Riad, H. Schunemann, S. Attia, T. P. Peričić +25 more

    2021International Journal of Environmental Research and Public Health62 citations Open access

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23. Transcutaneous bilirubinometry versus total serum bilirubin measurement for newborns.

    Charles I. Okwundu, Abiola Olowoyeye, Olalekan A. Uthman, Johan Smith +4 more

    2023Cochrane Database of Systematic Reviews58 citations Open access

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24. Predictors of COVID-19 Vaccine Hesitancy in South African Local Communities: The VaxScenes Study

    P. Katoto, S. Parker, N. Coulson, N. Pillay +14 more

    2022Vaccines51 citations Open access

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25. The occurrence of long COVID: a rapid review

    C. Iwu, C. D. Iwu, C. Wiysonge

    2021The Pan African Medical Journal51 citations Open access

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26. Overview of Tools and Measures Investigating Vaccine Hesitancy in a Ten Year Period: A Scoping Review

    E. Oduwole, E. Pienaar, H. Mahomed, C. Wiysonge

    2022Vaccines37 citations Open access

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27. Assessment of COVID-19 pandemic responses in African countries: thematic synthesis of WHO intra-action review reports

    A. Talisuna, C. Iwu, J. Okeibunor, Mary Stephen +23 more

    2022BMJ Open36 citations Open access

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28. Subnational mapping of HIV incidence and mortality among individuals aged 15–49 years in sub-Saharan Africa, 2000–18: a modelling study

    Benn John D Mingyou Erik A Julia Emily Michael A Samant Sartorius VanderHeide Yang Goosmann Hon Haeuser Co, B. Sartorius, J. Vanderheide, Mingyou Yang +430 more

    2021The Lancet HIV35 citations Open access

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29. Drivers of hesitancy towards recommended childhood vaccines in African settings: a scoping review of literature from Kenya, Malawi and Ethiopia

    A. A. Adamu, T. Essoh, G. C. Adeyanju, R. Jalo +3 more

    2021Expert Review of Vaccines34 citations

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30. Improving social justice in observational studies: protocol for the development of a global and Indigenous STROBE-equity reporting guideline

    S. Funnell, J. Jull, L. Mbuagbaw, V. Welch +62 more

    2023International Journal for Equity in Health30 citations Open access

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31. Towards a More Critical Public Health Understanding of Vaccine Hesitancy: Key Insights from a Decade of Research

    S. Cooper, C. Wiysonge

    2023Vaccines28 citations Open access

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32. The use of artificial intelligence for delivery of essential health services across WHO regions: a scoping review

    J. Okeibunor, A. Jaca, C. Iwu-Jaja, Ngozi Idemili-Aronu +7 more

    2023Frontiers in Public Health27 citations Open access

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33. The overlapping burden of the three leading causes of disability and death in sub-Saharan African children

    R. Reiner, Catherine A. Welgan, Christopher E. Troeger, Mathew M. Baumann +313 more

    2022Nature Communications26 citations Open access

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34. Point-of-care vaccinators' perceptions of vaccine hesitancy drivers: A qualitative study from the cape metropolitan district, South Africa.

    E. Oduwole, H. Mahomed, C. Laurenzi, H. Larson +1 more

    2021Vaccine23 citations Open access

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35. Non-COVID-19 vaccine hesitancy among migrant populations worldwide: a scoping review of the literature, 2000-2020

    Akhenaten B. Siankam Tankwanchi, A. Jaca, A. M. Ndlambe, Z. P. Zantsi +5 more

    2022Expert Review of Vaccines21 citations

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36. Preventing and managing antimicrobial resistance in the African region: A scoping review protocol

    C. Iwu-Jaja, A. Jaca, I. Jaja, P. Jordan +9 more

    2021PLoS ONE20 citations Open access

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37. Influenza Vaccination Uptake and Hesitancy among Healthcare Workers in Early 2021 at the Start of the COVID-19 Vaccine Rollout in Cape Town, South Africa

    S. M. Alobwede, E. Kidzeru, P. Katoto, E. Lumngwena +5 more

    2022Vaccines19 citations Open access

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38. Implementation research approaches to promoting universal health coverage in Africa: a scoping review

    C. Nnaji, C. Wiysonge, J. Okeibunor, T. Malinga +3 more

    2021BMC Health Services Research19 citations Open access

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39. Typhoid conjugate vaccines for preventing typhoid fever (enteric fever)

    N. Gloeck, T. Leong, C. Iwu-Jaja, Patrick de Marie Katoto +2 more

    2023Cochrane Database of Systematic Reviews18 citations Open access

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40. Missed Opportunities for Vaccination and Associated Factors among Children Attending Primary Health Care Facilities in Cape Town, South Africa: A Pre-Intervention Multilevel Analysis

    C. Nnaji, C. Wiysonge, A. A. Adamu, M. Lesosky +2 more

    2022Vaccines18 citations Open access

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41. Fractional dose compared with standard dose inactivated poliovirus vaccine in children: a systematic review and meta-analysis.

    Thandiwe Mashunye, D. Ndwandwe, K. Dube, M. Shey +2 more

    2021Lancet. Infectious Diseases (Print)18 citations

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42. Systematic review and meta-analysis of myocarditis and pericarditis in adolescents following COVID-19 BNT162b2 vaccination

    P. Katoto, L. Byamungu, Amanda Brand, J. Tamuzi +3 more

    2023npj Vaccines17 citations Open access

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43. Early Impact of SARS-CoV-2 Pandemic on Immunization Services in Nigeria

    T. Essoh, G. C. Adeyanju, A. A. Adamu, Alain Komi Ahawo +4 more

    2022Vaccines17 citations Open access

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44. A Systematic Review of Factors That Influence Parents’ Views and Practices around Routine Childhood Vaccination in Africa: A Qualitative Evidence Synthesis

    E. Mavundza, S. Cooper, C. Wiysonge

    2023Vaccines16 citations Open access

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45. Practices and trends in clinical trial registration in the Pan African Clinical Trials Registry (PACTR): a descriptive analysis of registration data

    D. Ndwandwe, Sinazo Runeyi, E. Pienaar, Lindi Mathebula +2 more

    2022BMJ Open16 citations Open access

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46. COVID-19 and the Gaping Wounds of South Africa’s Suboptimal Immunisation Coverage: An Implementation Research Imperative for Assessing and Addressing Missed Opportunities for Vaccination

    C. Nnaji, C. Wiysonge, M. Lesosky, H. Mahomed +1 more

    2021Vaccines16 citations Open access

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47. Priorities for COVID-19 research response and preparedness in low-resource settings

    Alice Norton, C. Wiysonge, J. Habarugira, N. White +21 more

    2021The Lancet15 citations Open access

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48. Guidance relevant to the reporting of health equity in observational research: a scoping review protocol

    A. Rizvi, Daeria O. Lawson, T. Young, O. Dewidar +27 more

    2022BMJ Open14 citations Open access

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49. Effectiveness of COVID-19 Pfizer-BioNTech (BNT162b2) mRNA vaccination in adolescents aged 12–17 years: A systematic review and meta-analysis

    P. Katoto, J. Tamuzi, Amanda Brand, D. M. Marangu +3 more

    2023Human Vaccines & Immunotherapeutics12 citations Open access

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50. A scoping review establishes need for consensus guidance on reporting health equity in observational studies.

    Xiao-Qin Wang, O. Dewidar, A. Rizvi, Jimmy Huang +47 more

    2023Journal of Clinical Epidemiology12 citations Open access

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