Dallas County is reporting 82 more cases of coronavirus, bringing the countywide total to 631.

Two more deaths have also been announced. The first death was a Rowlett man in his 50s. The second was a Dallas man in his 90s. Both patients had underlying chronic health conditions, according to the county.

Over the past week, the number of coronavirus patients admitted to intensive care units has surpassed the number of flu patients admitted to Dallas County ICUs during the peak week of the 2019-20 flu season, the county reported.

See how the coronavirus continues its spread through Dallas County below.

Widespread cases

The city of Dallas accounts for the lion's share of COVID-19 cases, with 391 confirmed as of March 31.

Coppell had nine cases, Irving had 33 and Richardson had 15 as of March 31.

See which other Dallas County cities are affected below:

Exposure sources

Dallas County reported its first confirmed coronavirus cases March 10. In the three weeks thereafter, the total number has increase to well over 600 cases.

While county officials reported the first cases were due to out-of-state travel, the most common cause of contraction is in-community spread as of March 31.

See the breakdown of which exposure sources are contributing to the spread of COVID-19 in Dallas County.

Case counts skyrocket

Dallas County saw its largest single-day increase in COVID-19 cases between March 30-31.

County Judge Clay Jenkins has signaled his belief that conditions are not expected to improve for some time.

“We are at the beginning of what will be a difficult time for Texas, especially here,” Jenkins said in a statement. “We need each one of you to stay in the fight. To do that, I need you to practice self-care, have faith in the science and stay safe by staying home.”

60-plus population makes up 26%

Health officials are warning that the most vulnerable population for the worst effects of COVID-19 are those over 60 years old or who have chronic health conditions.

Over a quarter of Dallas County's COVID-19 cases come from those over 60, according to the county.