MD COVID-19 - Total Testing Volume by County 2021 Archive

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 positive 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). Electronic lab reports from NEDDSS.

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.

Data and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://opendata.maryland.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://opendata.maryland.gov/api/views/xn2q-2ede
issued 2023-01-04
landingPage https://opendata.maryland.gov/d/xn2q-2ede
modified 2023-01-04
publisher opendata.maryland.gov
resource-type Dataset
source_datajson_identifier true
source_hash b0cc6444b93ab49a3442c8c16d05a23742e7fadad7c6a4416c1125aee71800d0
source_schema_version 1.1
theme {"Health and Human Services"}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • 2019
  • 7-day-average
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • allegany
  • anne-arundel
  • average-percent-positive-rate
  • baltimore
  • baltimore-city
  • calvert
  • caroline
  • carroll
  • cecil
  • charles
  • coronavirus
  • counties
  • county
  • covid
  • covid-19
  • data
  • department-of-health
  • disease
  • dorchester
  • download
  • frederick
  • garrett
  • harford
  • health
  • howard
  • kent
  • maryland
  • maryland-department-of-health
  • md
  • md-imap
  • mdh
  • montgomery
  • open-data
  • outbreak
  • percent
  • positive
  • positivity
  • prince-georges
  • queen-annes
  • rate
  • share
  • somerset
  • st-marys
  • talbot
  • test
  • testing
  • tests
  • total
  • washington
  • wicomico
  • worcester
isopen False
license_id notspecified
license_title License not specified
maintainer Open Data Administrator
maintainer_email no-reply@opendata.maryland.gov
metadata_created 2025-09-24T10:19:34.534701
metadata_modified 2025-09-24T10:19:34.534710
notes <b>Summary</b> The total number of COVID-19 tests administered and the 7-day average percent positive rate in each Maryland jurisdiction. <b>Description</b> 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 positive 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). Electronic lab reports from NEDDSS. <b>Terms of Use</b> 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.
num_resources 4
num_tags 61
title MD COVID-19 - Total Testing Volume by County 2021 Archive