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Maryland Department of Health updates reinfections data among COVID-19 cases

February 16th, 2022 by WCBC Radio

The Maryland Department of Health (MDH) today updated reinfections data posted to the COVID-19 surveillance dashboard at Maryland is now counting 24,800 COVID-19 reinfections among its cumulative cases, dating back to late September.

Maryland’s COVID-19 surveillance data are presented on the dashboard through various metrics. Case data are also reported through a number of demographic and jurisdictional-based subsets, which have been adjusted to reflect the reinfection data over time. 


MDH counts a case as a reinfection, and includes it as a new case, if an individual tests positive for COVID-19 and has not had a positive COVID-19 test result within the past 90 days. 


To view Maryland’s COVID-19 data, visit


For more information and resources about COVID-19 in Maryland, visit