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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...

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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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January 24, 2023


  • Illinois" stated update frequency for the state dashboard is “Data is updated on weekdays, Monday-Friday, either daily or weekly. Data is not updated on weekends or holidays.” The reporting since the New Year has not adhered to this reporting schedule, with a gap in reporting from January 5, 2023 - January 17, 2023. As of January 24, 2023, there have been no updates since January18, 2023.

December 1, 2021


  • On Nov. 18, 2021, Illinois updated vaccination data submitted to the CDC that resulted in a decrease of 214,250 doses administered.