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Chizoba Barbara Wonodi, MBBS

  • Assistant Scientist

Departmental Affiliations

Center & Institute Affiliations

Contact Information

855 N. Wolfe Street
Baltimore, Maryland 21205


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DrPH, Johns Hopkins Bloomberg School of Public Health, 2009
MPH, Johns Hopkins Bloomberg School of Public Health, 2004
MBBS, University of Benin, 1991


Dr. Chizoba Wonodi is public health physician with over twenty-seven years’ research and program experience in Africa, Asia and America. She serves as the Nigeria Country Director at the International Vaccine Access Centre (IVAC). In this role, she leads an important portfolio of work on technical assistance, implementation research and policy advocacy to improve immunization service delivery and primary health care systems in the country. She is currently the principal investigator for a Gates Foundation-funded project to improve immunization uptake by sending SMS messages to inform, educate and remind caregivers of their child’s vaccinations. Implemented as a cluster randomized trial, this intervention – the Immunization Reminder and Information SMS System – is intentionally large in scope to demonstrate how innovations like SMS reminders can be taken to scale.

In keeping with her focus on public health practice, Dr. Wonodi founded the Women Advocates for Vaccine Access (WAVA), a coalition of Civil Society Organizations in Nigeria advocating for increased uptake of vaccines and for sustainable financing of immunization programs. WAVA serves as the secretariat for the national platform, the Expanded Civil Society Initiative for Immunization (ECSII) in Nigeria. At the global level, Dr. Wonodi holds the vice chair position of the Gavi CSO Platform Steering Committee, a body that coordinates Civil Societies active in immunization.

Honors and Awards

The Bill and Melinda Gates Institute scholarship for masters degree - 2003

The Bill and Melinda Gates Institute scholarship for doctorate studies - 2004

The Carolyn Cochrane Fellowship - 2006

The Population Reference Bureau Fellowship - 2007

  • Immunization
  • vaccination
  • health systems research
  • implementation science research
  • policy advocacy
  • primary health care
  • sustainable immunization financing