May 21 Coronavirus Update: 2,267 Cases with 238 Deaths in Chester County from COVID-19

State Public Health Laboratory in Exton Tests for COVID-19State Public Health Laboratory in Exton Tests for COVID-19; Pennsylvania Commonwealth microbiologists Karen Zimmerman, prepares a master mix for PCR inside the extraction lab at the Pennsylvania Department of Health Bureau of Laboratories.

Editor’s Note: Initially, MyChesCo pulled county-specific COVID-19 data from the Chester County Health Department’s COVID-19 Dashboard. However, over time, that data became inconsistent and unreliable. Therefore, going forward, except where noted, MyChesCo will be using data from the Pennsylvania National Electronic Disease Surveillance System (PA-NEDSS) as the primary data source for our daily updates. Unfortunately, this means we will no longer publish a breakdown by municipality. We apologize for any inconvenience. All data is provisional and subject to change as new information becomes available.

CHESTER COUNTY, PA — The Pennsylvania National Electronic Disease Surveillance System (PA-NEDSS) today confirmed 2,267 positive cases of COVID-19 in Chester County, which includes 238 deaths. All active cases are either in isolation at home or being treated at the hospital.

In long term care facilities and personal care homes, there are 686 resident cases of COVID-19 at 37 of 75 distinct facilities in Chester County. Out of the total deaths from COVID-19 in the county, 179 have occurred in residents from long term care facilities or personal care facilities.(1)

There have been a total of 9,558 Chester County residents who tested negative for the COVID-19 virus to date.

For an updated map with the number of cases in Chester County by municipality, visit here.

Hospital Data for Chester County

  • Available Adult ICU Beds: 63
  • Available Medical/Surgical Beds: 123
  • Available Pediatric ICU Beds: 0
  • Available Airborne Isolation Room Beds: 57
  • Total Number of Vents: 133
    • Ventilators in Use (COVID-19): 9
    • Ventilators in Use (non-COVID-19): 22
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Coronavirus (COVID-19) in Neighboring Counties

The health data below lists the confirmed cases in neighboring counties:

  • Berks County, Pennsylvania – Cases: 3,784 | Deaths: 279
  • Montgomery County, Pennsylvania – Cases: 6,268 | Deaths: 607
  • Delaware County, Pennsylvania – Cases:  5,969 | Deaths: 481
  • New Castle County, Delaware(2) – Cases: 3,053 | Deaths: 144
  • Cecil County, Maryland(3) – Cases: 331 | Deaths: 20
  • Lancaster County, Pennsylvania – Cases: 2,690 | Deaths: 269

Statewide Coronavirus (COVID-19) Cases

Additionally, the Pennsylvania Department of Health officially confirmed the statewide total has reached 65,392 across all 67 counties, as of May 21, with a total of 4,869 deaths.

“As counties move from red to yellow, we need all Pennsylvanians to continue to follow the social distancing and mitigation efforts in place,” Secretary of Health Dr. Rachel Levine said. “We must continue to protect our most vulnerable Pennsylvanians, which includes our seniors, those with underlying health issues, our healthcare workers and our first responders. I am proud of the work that Pennsylvanians have done so far, but we cannot stop now, we must continue to take the necessary steps to protect ourselves from COVID-19.”

Statewide, there is a total of 303,514 patients who tested negative for the COVID-19 virus to date. Of the patients who have tested positive, based on statewide numbers, the age breakdown is as follows:(4)

  • Less than 1% are aged 0-4;
  • Less than 1% are aged 5-12;
  • 2% are aged 13-18;
  • 6% are aged 19-24;
  • 37% are aged 25-49;
  • 26% are aged 50-64; and
  • 29% are aged 65 or older.
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Most of the patients hospitalized are aged 65 or older, and most of the deaths have occurred in patients 65 or older. More statewide data is available here.

In nursing and personal care homes, there are 14,113 resident cases of COVID-19, and 2,306 cases among employees, for a total of 16,419 at 570 distinct facilities in 44 counties.

Out of the total deaths, 3,234 have occurred in residents from nursing or personal care facilities. Data for specific long-term care facilities in Pennsylvania, including Department of Health and Department of Human Services regulated facilities is available here.

Approximately 4,871 of Pennsylvania’s total cases are in health care workers.

Non-life-sustaining businesses in the red phase are ordered to be closed and schools are closed statewide through the remainder of the academic year. Currently, 37 counties are in the yellow phase of reopening; 12 more will move to the yellow phase on May 22.

Health officials stress the role every person plays in helping to reduce the spread of COVID-19:

  • Wash your hands with soap and water for at least 20 seconds or use hand sanitizer if soap and water are not available.
  • Cover any coughs or sneezes with your elbow, not your hands.
  • Clean surfaces frequently.
  • Stay home to avoid spreading COVID-19, especially if you are unwell.
  • If you must go out for a life-sustaining reason, please wear a mask.
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For an updated map with the number of statewide cases by county, visit here. For more information on COVID-19 in Chester County, visit www.Chesco.org/Coronavirus.


(1) Data provided by the Chester County Health Department as of 05/19/2020. Please note, the Pennsylvania National Electronic Disease Surveillance System has changed the way it reports statistics from long term care facilities and personal care homes, requiring us to rely on the Chester County Health Department, which is often delayed by several days.
(2) Provided by the Delaware Health Department. Data is provisional and subject to change as new information becomes available.
(3) Provided by the Maryland Department of Health based on the most recently available information. All data are preliminary and are subject to change based on additional reporting.
(4) Percentages may not total 100% due to rounding

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