. . . "Hulse, Scott" . "Burns, Timothy" . "32678799" . "cc-by" . . . "Banik, Palash" . "Denicoff, Anne" . "Sanchez, Travis" . "PMC7398595" . "Medline; PMC" . "10.2196/22331" . . . . "Webber, Bryant" . "Sayers, David" . "2020-07-31"^^ . "JMIR Public Health Surveill" . "32678799" . "Notes From the Field: Use of Emergency Medical Service Data to Augment COVID-19 Public Health Surveillance in Montgomery County, Maryland, From March to June 2020" . "Doan, Son" .