NOTE: This layer is deprecated (last updated 2/23/2022). This was formerly a weekly update.

Summary The cumulative number of COVID-19 serology testing results among Maryland residents.

Description The MD COVID-19 serology testing data layer is a collection of cumulative COVID-19 serology test results. Total numbers are broken down into positive and negative results. These numbers refer to people tested, not individual tests, some people have had multiple tests. For people with both a negative and a positive test, the positive result is counted. Inconclusive/indeterminate test results are not included in the total. The numbers are updated weekly.

Terms of Use The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.