Data Notes

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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.

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On January 11, 2023, we were able to back-distribute case data for Indiana for the period from December 14 to the present. A gap in reporting for that period was a result of changes to the source's dashboard. We have also adjusted our sourcing to pull from their new dashboard.

Vermont has not reported any COVID-19 deaths since December 21, 2022. On January 11, 2023, we observed an increase in deaths in Vermont equal to 11% of their cumulative deaths to date (from 791 to 881). These are older deaths identified via a “Health Department review of COVID-19 data”. We do not anticipate that we will back distribute these deaths.State press release: GitHub announcement:

China’s COVID-19 cases on the Johns Hopkins Coronavirus Resource Center may appear to decline significantly after Dec. 14, 2022 due to the nation’s to stop reporting infections that it The National Health Commission of the People's Republic of China stated in a that “it’s impossible to get accurate statistics for asymptomatic cases given the fact that many asymptomatic cases choose not to take nucleic acid tests,” which are voluntary.“Therefore, starting from Dec 14, 2022, statistics for asymptomatic cases will no longer be released,” the Chinese government announced. China defines asymptomatic cases as those that register positive results but that are not accompanied by COVID-19's most common symptoms.The Coronavirus Resource Center has notified its data users about to cease reporting asymptomatic cases just as it notified them of China’s to start reporting such infections.When China released asymptomatic data in March 2022, Johns Hopkins researchers added the newly reported cases across daily reports dating back to March 2020. The CRC stopped reporting asymptomatic cases in China's daily reports on Dec. 14. But the total number of asymptomatic cases that China has reported – 1,521,800 – will remain part of the nation’s cumulative total number of cases.

On December 7, 2022, Georgia did not update, but then updated on December 8, 2022. The state normally updates once per week on Wednesdays.

Maine reported uncharacteristically high death counts from December 6-9, 2022. This is currently under investigation.

On December 1, 2022, there was a spike in “Unassigned, New Jersey” cases. This was due to a data quality issue on the backend of the New Jersey COVID-19 dashboard from December 1, 2022 to December 4, 2022. In effect, this resulted in the cumulative cases for “Warren, New Jersey” being reported in both the “Warren, New Jersey” and “Unassigned, New Jersey” entries. We have corrected our historical data for this period to correct this error and apologize for any inconvenience it may have caused.

New Mexico did not report new deaths from November 23, 2022 to December 6, 2022. The pause (and the date it would end) had been relayed to local media (), though the reason was not.

On December 7, 2022, North Carolina, issued a monthly release of death certificate deaths. Please see old GitHub announcement for more details:

On November 30, 2022, Texas moved to once weekly reporting (Wednesdays). Due to when the change was implemented, there was a resulting pseudo-spike apparent on December 7, 2022.

Washington COVID data has been incomplete since October 2. The following statement is available on the Washington COVID dashboard (): “due to a security breach encountered by one of Washington's hospital organizations, data about cases, hospitalizations, deaths, and testing are incomplete in some counties from October 2, 2022.”

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