ArcGIS Online for MarylandDeprecated as of 4/27/2023 On 4/27/2023 several COVID-19 datasets were retired and no longer included in public COVID-19 data dissemination. For more information, visit https://imap.maryland.gov/pages/covid-data Summary The total number of COVID-19 tests administered and the 7-day average percent positive rate in each Maryland jurisdiction. Description Testing volume data represent the total number of PCR COVID-19 tests electronically reported for Maryland residents; this count does not include test results submitted by labs and other clinical facilities through non-electronic means. The 7-day percent postive rate is a rolling average of each day's positivity percentage. The percentage is calculated using the total number of tests electronically reported to MDH (by date of report) and the number of positive tests electronically reported to MDH (by date of report). COVID-19 is a disease caused by a respiratory virus first identified in Wuhan, Hubei Province, China in December 2019. COVID-19 is a new virus that hasn't caused illness in humans before. Worldwide, COVID-19 has resulted in thousands of infections, causing illness and in some cases death. Cases have spread to countries throughout the world, with more cases reported daily. The Maryland Department of Health reports daily on COVID-19 cases by county.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/853593daf977435aaa909b334445542c_0engMaryland iMapPublicMDCOVID19 TotalTestingVolumeByCounty [Maryland]Web servicesMarylandLast Modified: 2023-04-14