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Sachiko Ozawa, PhD

  • Health Economist, International Vaccine Access Center
  • Assistant Scientist

Departmental Affiliations

Center & Institute Affiliations

Contact Information

615 N. Wolfe Street
Room E8003
Baltimore, Maryland 21205


SciVal Experts Research Profile


PhD, Johns Hopkins University, 2010
MHS, Johns Hopkins University, 2007


Research interests include:

- Examining the effectiveness & efficiency of healthcare interventions such as vaccines for better resource allocation

- Measuring & building people’s trust, social capital, and preferences in healthcare

- Improving coverage, access & sustainability of health systems financing interventions to reduce healthcare-driven poverty

Honors and Awards

Teaching Excellence Recognition, Johns Hopkins Bloomberg School of Public Health, 2011 & 2012

Faculty Pilot Grants in Global Health, Johns Hopkins Center for Global Health; The Toyota Foundation Research Grant Award, 2010

New Investigator in Global Health, Global Health Council; The Ruth Rice Puffer Fund for International Student Support; Nancy Stephens Student Support Fund, 2009

The Dean’s Teaching Fellowship, Johns Hopkins University; Baker, Reinke, Taylor Scholarship in International Health, 2008

Delta Omega Public Health Honors Society; The Dean’s Alumni Advisory Council Scholarship, Johns Hopkins Bloomberg School of Public Health; Global Field Experience Fund, 2007

Associate in Risk Management, Insurance Institute of America, 2005

Phi Beta Kappa National Honors Society, 2003

  • Health economics, health systems, vaccines, health financing, health insurance, trust, social capital, scale development, economic evaluation, mixed methods, international health

Most recent publications

    Ozawa S, Sripad P (2013). How do you measure trust in the health system? A systematic review of the literature. Social Science & Medicine. 91:10-14.

    Ozawa S, Pongpirul K (2013). 10 Best Resources on Mixed Methods Research in Health Systems. Health Policy & Planning. 2013 Apr 5.

    Ozawa S, Stack M (2013). Public Trust and Vaccine Acceptance – International Perspectives. Human Vaccines & Immunotherapeutics. Jun 3;9(8).

    Ozawa S, Mirrelman A, Stack M, Walker D, Levine OS (2012). Cost-Effectiveness and Economic Benefits of Vaccines in Low- and Middle- Income Countries: A Systematic Review. Vaccine. Dec; 31(1):96-108.

  • Ozawa S, Stack ML, Bishai DM, Mirelman A, Friberg IK, Niessen L, Walker DG, Levine OS (2011). During the 'decade of vaccines,' the lives of 6.4 million children valued at $231 billion could be saved. Health Affairs (Millwood). Jun; 30(6):1010-20.