Dallas County Reports Three-Day Total of 2,132 New Positive 2019 Novel Coronavirus (COVID-19) Cases and 5 Deaths, Including 183 Probable Cases. As of 3:00 pm, August 3, 2021, Dallas County Health and Human Services is reporting 2,132 additional positive cases of 2019 novel coronavirus (COVID-19) in Dallas County, 1,949 confirmed cases, and 183 probable cases. There is a cumulative total of 274,149 confirmed cases (PCR test). There is a cumulative total of 45,690 probable cases (antigen test). A total of 4,211 Dallas County residents have lost their lives due to COVID-19 illness.