Supported by the following organizations
This is to certify that Tiffany Parks 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 February 17, 2021
- Valid Certificate ID 95b1ec020b6e4a7da1d7982dd358b3af