Supported by the following organizations
This is to certify that Yinghong Wang successfully completed and received a passing grade in PH556x: Practical Improvement Science in Health Care a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Don Goldmann, MD
T.H. Chan School of Public Health
Harvard Medical School
Institute for Healthcare Improvement
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- Verified Certificate Issued July 12, 2025
- Valid Certificate ID 9623d2088fa94f27bcac36df912acddd