Supported by the following organizations
This is to certify that Diana Krasnova successfully completed and received a passing grade in PredictionX: John Snow and the Cholera Outbreak of 1854 a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Alyssa Goodman
Robert Wheeler Willson Professor of Applied Astronomy Harvard University
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- Verified Certificate Issued September 18, 2017
- Valid Certificate ID 0f6530cbc37240d399af61be87017f76