Illinois

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

On March 4, 2021, we cleared the history of Negative (people or cases) in Illinois. This number mixed units and we no longer need it to calculate totalTestResults.

As of March 4, 2021, Illinois' totalTestResults is drawn from totalTestsViral instead of being calculated via positive+negative. This change had no impact on the number of tests at the topline.

On March 4, 2021, we backfilled the history of Illinois' Total PCR Tests (specimens) from data by date of report it posts on its website to add history from March 10, 2020 to May 24, 2020, when we did not have captured data.

On January 22, 2021, Illinois began including all probable deaths reported since the beginning of the pandemic in the total case count. This means all 1,903 Probable deaths were included in the cases reported on January 22, 2021.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” Due to this we cannot continue reporting Confirmed and Probable cases separately, however the time series for these metrics are available in the historical data, and our data downloads.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

As of March 4, 2021, Illinois' totalTestResults is drawn from totalTestsViral instead of being calculated via positive+negative. This change had no impact on the number of tests at the topline.

On March 4, 2021, we backfilled the history of Illinois' Total PCR Tests (specimens) from data by date of report it posts on its website to add history from March 10, 2020 to May 24, 2020, when we did not have captured data.

On January 22, 2021, Illinois began including all probable deaths reported since the beginning of the pandemic in the total case count. This means all 1,903 Probable deaths were included in the cases reported on January 22, 2021.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” Due to this we cannot continue reporting Confirmed and Probable cases separately, however the time series for these metrics are available in the historical data, and our data downloads.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

On January 22, 2021, Illinois began including all probable deaths reported since the beginning of the pandemic in the total case count. This means all 1,903 Probable deaths were included in the cases reported on January 22, 2021.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” Due to this we cannot continue reporting Confirmed and Probable cases separately, however the time series for these metrics are available in the historical data, and our data downloads.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” Due to this we cannot continue reporting Confirmed and Probable cases separately, however the time series for these metrics are available in the historical data, and our data downloads.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” The time series for the Confirmed and Probable Case metrics are available in the historical data, and our data downloads.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Total cases from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” We are carrying over the last available separate Confirmed and Probable Case values while we reach out to the state to see if these values will be made available elsewhere.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people, confirmed + probable) from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” We are carrying over the last available separate Confirmed and Probable Case values while we reach out to the state to see if these values will be made available elsewhere.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” We are carrying over the last available separate Confirmed and Probable Case values while we reach out to the state to see if these values will be made available elsewhere. Until Illinois resumes reporting their confirmed and probable cases breakdown, Negative PCR tests (people) will be calculated by subtracting Cases (confirmed and probable) from Total PCR tests (specimens).

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” We are carrying over the last available separate Confirmed and Probable Case values while we reach out to the state to see if these values will be made available elsewhere.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On November 6, 2020, Illinois announced that they "will report confirmed cases and probable cases combined.” We are carrying over the last available separate Confirmed and Probable Case values while we reach out to the state to see if these values will be made available elsewhere.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

As of October 15, 2020, Illinois combines PCR and antigen tests in the total tests figure reported on the state's dashboard.

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

On September 4, 2020, Illinois reported over 140,000 new Total PCR tests (in specimens) and over 5,000 new Cases. According to the Chicago Tribune, "The Illinois Department of Public Health said Friday there was significant slowdown in the agency's test reporting earlier this week that it is just catching up with."

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

Negative test results reported in our API and CSVs are calculated by subtracting Positive PCR tests (people) from Total PCR tests (specimens) in the absence of better data.

Illinois counts deaths in positives.

As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested. On 6/17/2020, IL reported no change in probable cases and deaths.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested. On 6/17/2020, IL reported no change in probable cases and deaths.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested.

Illinois counts deaths in positives. As of May 25, Illinois is reporting PCR specimens tested. Because some people may be tested more than once, this number is probably higher than the number of people tested.

Illinois counts deaths in positives.

Illinois counts deaths in positives. Hospitalization numbers as of 4/7.

Our data differs from Illinois because we count deaths as positives.

Our data differs from Illinois because we count deaths as positives.

Our data differs from Illinois because we count deaths as positives.

Our data differs from Illinois because we count deaths as positives.

3/13 data from a Governor Pritzker announcement.

Illinois reports all data of interest. 3/13 date from Gov Pritzker announcement.

The website has some mathematical challenges with the tallies, so our numbers may differ. We combine the presumptive positives with the positives as we do everywhere.