After three years of around-the-clock tracking of COVID-19 data from...
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 April 30, 2022, Delaware shifted to Monday-Friday reporting.
On April 8, 2022, Delaware removed 1,452 cases during a data cleaning audit. Source: https://twitter.com/Delaware_DHSS/status/1512525691568508934?s=20&t=t_wK9MlP0mnO9VFWY4YSb
A Feb. 24, 2022 spike in cases in Delaware was the result of the state reporting older cases whose laboratory processing had been delayed.
From January 8-14, 2022, 20 of 66 reported deaths stemmed from a death certificate review: Source: https://news.delaware.gov/2022/01/14/weekly-covid-19-update-jan-14-2022-new-positive-cases-hospitalizations-continue-to-trend-upward/
On July 30, 2021, the large increase in COVID-related deaths being reported for Delaware includes 130 from a review of vital statistics (death certificates). The deaths occurred between mid-May 2020 and late June 2021.
On October 30, 2020, our data source for test data, the Covid Tracking Project, changed its definition of the contents of its totalTestResults field for Delaware. We use this data for our positivity calculation denominator. This will will likely reduce the state's positivity percentage because people are deduplicated people less frequently, resulting in a bigger denominator.