As experts work to fight coronavirus in Dallas County, they’ve noticed hot spots. A map compiled with test results through March 31, 2020, shows five Dallas County Zip Codes with 20 or more cases.

Dallas County Health and Human Services shared an updated map on Twitter of all the COVID-19 cases that have been reported in the county as of March 31, broken down by ZIP code.

Health Fighting COVID in Dallas’s hardest-hit ZIP codes “We’ve got to have a sense of urgency,” said Dallas City Councilmember Casey Thomas.

Dallas County’s most unhealthy residents live in a cluster of five zip codes in southern Dallas, and now health officials want to spend the next three years reversing decades-long trends.

The above graphic shows a map of the different zip codes in the county with each's overall health ratings, with the darker the shade meaning the more unhealthy the area is.