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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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All Regions

December 1, 2021

Illinois

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

Maryland

  • On Nov. 3, 2021, Maryland updated vaccination data submitted to the CDC that resulted in a decrease of 5,975 doses administered.

Minnesota

  • On Nov. 4, 2021, Minnesota updated vaccination data submitted to the CDC to include an increase of 136,589 doses administered.

North Dakota

  • On Nov. 10, 2021, North Dakota updated vaccination data submitted to the CDC that resulted in an increase of 3,433 doses administered.

Ohio

  • On Nov. 9, 2021, Ohio updated vaccination data submitted to the CDC that resulted in a decrease of 99 doses administered.

Pennsylvania

  • On Nov. 23, 2021, Pennsylvania updated vaccination data submitted to the CDC that resulted in a decrease of 1,151,719 doses administered.

November 29, 2021

Indiana

  • On November 11, 2021, Indiana added 3,952 reinfection cases. These represent all reinfection cases since September 1, 2021, and have been tracked by the department.

Missouri

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

South Africa

  • On November 23, 2021, South Africa reported a large backlog of 77,157 antigen tests. These historical antigen tests have resulted in the addition of 18,586 positive antigen cases to our data for November 23, 2021. Please see this explanation from the South African Ministry of Health: https://twitter.com/nicd_sa/status/1463200722615513093

    We will investigate a back distribution, but caution expectations that we will be able to back distribute these as instances such as these rarely have appropriate metadata to accurately and fairly back distribute.

November 16, 2021

Wisconsin

  • On November 16, 2021, Wisconsin posted an update indicating deaths data would not be updated during the week of November 22, due to staff availability.