MD - Positivity Discrepancy

Notes

Here is the post explaining differences in detail:

https://medium.com/@niravabhavsar/positivity-discrepancy-msightly-jhu-vs-maryland-department-of-health-549371616eff?source=friends_link

CDC Recommendation: The formula for calculating percent positivity used by CDC is the number of positive tests (numerator) divided by the total number of resulted reported tests (denominator): (positive/total) x 100% where the total equals positive plus negative test results and excludes indeterminate results.
(Source: https://www.cdc.gov/coronavirus/2019-ncov/lab/resources/calculating-percent-positivity.html)