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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As of July 29, 2022, Alabama moved to once weekly reporting. The data is updated on Thursdays. Previously, the state was updating M-F.
On August 4, 2022, the CDC reported that Idaho and Texas made updates to data previously provided to the CDC, resulting in a decrease in administered doses of vaccine, which caused the overall U.S. numbers to decrease.
On July 27, 2022, Clark County, Nevada reported a case spike due to a backlog. Please see further details here: https://github.com/CSSEGISandData/COVID-19/issues/5952
As of July 30, 2022, Texas moved to M-F reporting. Previously, the state updated seven days per week.
On July 13, Alaska reported 24 deaths after not reporting deaths since Mid-May: The reason for this delay is not clear.
Oklahoma reported aberrant data behavior in deaths on July 7, spiking 718 deaths in one day. In addition, the state reported -703 deaths on June 30. We have tracked these fluctuations as being accurate reflections of the totals reported by the state on June 23 (https://oklahoma.gov/covid19/newsroom/2022/june/situation-update--covid-19-06-23-2022.html), June 30 (https://oklahoma.gov/covid19/newsroom/2022/june/situation-update--covid-19-06-30-2022.html), and July 7 (https://oklahoma.gov/covid19/newsroom/2022/july/situation-update--covid-19-07-07-2022.html). We have reached out to the state for clarity and are awaiting details. At present, we are maintaining our data in the repository as it does match state reporting.
We have adapted our data collection to include reinfections and have back distributed the state’s case data from January 26, 2022 to the present. Following published guidance from the Council of State and Territorial Epidemiologists, we include reinfections >90 days since the primary infection when reported by the individual states.
As of June 30, 2022, Minnesota has moved to once weekly reporting. The reports will be published on Thursdays.
Starting on June 6, 2022, Virginia had paused death certificate review for two weeks due to the National Center for Health Statistics updating their data system. This pause will have affected all states. The past week has a slight ‘surge’ in reported deaths related to this system coming back online. More details may be found here: https://www.vdh.virginia.gov/coronavirus/see-the-numbers/website-change-log/
On June 23, 2022, West Virginia showed a spike in deaths due to death certificate review. This is related to the National Center for Health Statistics updating their data system. See more details here: https://dhhr.wv.gov/News/2022/Pages/COVID-19-Daily-Update-6-23-2022.aspx.