Pennsylvania Coronavirus Tracker 

May 22, 2020  |   Updated 2 pm 


cumulative Cases cumulative Deaths Death Rate Negative Tests percent Positive Tests New Cases
66,258 4,984 7.0 312,743 17.48 866


The source data for this post comes from the Pennsylvania Department of Health.1 Pennsylvania added 866 new COVID-19 cases on May 22.2 The state reported 4,984 COVID-19 deaths as of noon on May 22, making the death rate among confirmed and probable cases in the state 7 percent. No data about COVID-19 deaths in nursing and personal care homes was provided at noon today. The state also reports 1,619 COVID-19 related hospitalizations, 63 fewer than yesterday. Table 1 presents a summary set of indicators related to COVID-19 in the state.

There were 866 newly confirmed and probable cases in the past 24 hours (compared to 980 yesterday) and 9,229 newly confirmed negative tests (compared to 10,270 yesterday) in the same time period. The number of confirmed and probable cases increased by 1.3 percent from yesterday’s total number of cases. The rate of testing in the state increased by 2.7 percent from the prior day’s total. Thirty four counties have more than 100 confirmed and probable cases: Mercer County exceeded 100 cases today. Luzerne and Pike counties have rates per 100,000 residents above 800; Berks, Lehigh and Northampton counties have rates per 100,000 residents above 900; and Delaware and Philadelphia have the highest number of cases per capita in the state, with rates per 100,000 residents above 1,000. Table 2 provides per capita infection rates per 100,000 residents for each Pennsylvania county.


Figure 1. COVID-19 in Pennsylvania: Red line shows the seven-day average number of confirmed and probable cases and the bars represent the number of newly confirmed and probable cases each day.


The positive test rate for cases reported on May 22 is 8.6 percent. Testing in Pennsylvania has identified 312,743 negative tests and 66,258 confirmed and probable cases, which gives a cumulative positive test rate of 17.5 percent.


Figure 2. COVID-19 in Pennsylvania, Cumulative Totals: The blue portion of each bar shows the cumulative number of negative COVID-19 tests in Pennsylvania and the red portion of the bar is the confirmed and probable cases.


Figure 3 shows that the number of daily tests reported in Pennsylvania today is 10,095. Seventeen counties report test rates above 30 per 1,000 residents (i.e., more than three percent of the population): Berks, Bucks, Carbon, Dauphin, Delaware, Franklin, Lackawanna, Lebanon, Lehigh, Luzerne, Monroe, Montgomery, Montour, Northampton, Philadelphia, Pike, and Schuylkill. Six counties in the state have test rates below 10 per 1,000 residents.


Figure 3. COVID-19 Daily Testing in Pennsylvania: Bars represent the number of tests reported each day.


Figure 4 shows that the proportion of daily positive tests has been generally declining since since mid-April.


Figure 4. Positive Daily Tests. Dots show the proportion of positive tests by date.


The per capita testing rates vary considerably by county as do the rates of positive test outcomes. Montour County has the highest per capita testing rate in the state. Figure 5 shows the rates of testing per 1,000 residents for each county in the state.


Figure 5. COVID-19 Testing in Pennsylvania by County: Rate of COVID-19 tests per 1,000 residents.


The rates of positive COVID-19 tests also vary by county. Figure 6 shows the positive test rate for each county in the state.


Figure 6. COVID-19 Testing in Pennsylvania by County: Percent of positive COVID-19 tests.


Click here to view the Detailed Coronavirus Indicator Table

Click here to view the Coronavirus Cases and Cases per 100,000 Residents for Pennsylvania Counties Table


1Updated data appears at noon daily on this website: and archival data are provided here:

2Readers interested in understanding how current data is affected by unknown issues associated with testing are encouraged to read this analysis: