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JHU has stopped collecting data as of

03 / 10 / 2023

After three years of around-the-clock tracking of COVID-19 data from...

By Region

Data Notes

General Notes

September 14, 2021

  • Reduced counts in U.S. cases and deaths are the result of states and territories not reporting the information for some or all of the weekend. Those states and territories are: Alaska, Colorado, Connecticut, District of Columbia, Florida, Georgia, Guam, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Mississippi, Montana, Nebraska, Nevada, New Hampshire, New Mexico, North Carolina, Northern Mariana Islands, Oklahoma, Rhode Island, South Carolina, South Dakota, Tennessee, Utah, U.S. Virgin Islands, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. Typically, these states" Monday updates include the weekend totals.

Region Notes

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April 8, 2022


  • As of April 1, 2022, Missouri changed to once per week reporting (Fridays). Missouri has also discontinued reporting demographic data.

December 8, 2021


  • On December 2, 2021, the CRC integrated probable deaths for Missouri . This was necessitated by changes in the state's reporting, and resulted in a one time increase of ~2800 probable deaths spread among its counties.

November 29, 2021


  • On November 18, 2021, Missouri added > 6,300 reinfection cases. At this time, back-distribution is not possible.

September 1, 2021


  • Missouri has changed how the state reports tests, cases, and death data. Now that the City of Independence Health Department is fully managing its COVID-19 response, the Missouri Department of Health & Senior Services is now reporting the city’s data separately from Jackson County. The change removes approximately 12,000 total PCR cases, 2,500 Antigen cases, 200 Deaths, 100,000 PCR test and 41,000 Antigen tests out of the "Jackson County" category and into the newly created "City of Independence" category.

August 11, 2021


  • On August 10, 2021, Missouri reported a large increase in deaths is due to the remediation of death certificates from prior months. 105 of those cases came in July, and 3 from June.

April 20, 2021


  • On April 17, 2021 Missouri corrected an error in its COVID-19 database that resulted in the removal of 11,454 cases that had been counted twice as positive test results. Missouri's 7-day moving average for its test positivity rate does not appear on the graphic because of the data correction, which rendered the 7-day moving average as a negative percentage. The 7-day average will reset when the current week-long reporting period ends on April 23.