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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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April 8, 2022

Alaska

  • As of April 4, 2022, Alaska changed to once per week reporting (Wednesdays).

March 1, 2022

Alaska

  • Alaska on Feb. 6, 2022, began reporting deaths once a week. The state continues to report cases three times per week.

January 24, 2022

Alaska

January 11, 2022

Alaska

  • As of January 11, 2022, Alaska no longer provides county-level testing data.

June 25, 2021

Alaska

  • Alaska's positivity rate dropped on Friday from 1.7% to -0.2% because of a daily decrease of 185,933 total tests. Excluding that unexplained decline, Alaska's positivity rate would be 1.5%.

April 8, 2021

Alaska

  • Declines in U.S. cases and deaths that appear in the Coronavirus Resource Center’s data on Mondays are the result of several states not reporting the information over the weekend. Those states are: Alaska, Connecticut, Idaho, Kansas, Louisiana, Michigan, North Carolina, Oklahoma, Rhode Island, Tennessee, Washington and Wyoming.