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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


March 7, 2022


  • Arizona has changed to weekly reporting (Wednesdays)

March 1, 2022


  • Arizona on Feb. 26, 2022 began reporting data once per week on Wednesdays.

October 14, 2021


  • On October 13, 2021, Arizona no longer reports people tested, and has modified how they report total tests. The JHU CRC is currently modifying its process to ingest this data. As a result, the testing data appears to drop on this date.