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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On October 21 and October 26, 2022, New York showed a spike in deaths data. These were due to a death certificate review process which has been completed. A total of 560 ‘older’ deaths were included in those two days. The state has indicated they do not expect older deaths to populate their reporting in the coming days/weeks. More details here: https://github.com/CSSEGISandData/COVID-19/issues/6200
The number of COVID-19 cases for New York City appeared to spike on March 24, 2021 because the figure incorporated unreported data from the previous day from all five boroughs. (https://www1.nyc.gov/site/doh/covid/covid-19-data.page). We are working with government sources for back-distribution of their data.
The New York case count is derived by subtracting the previous day's cumulative case count from the current day's cumulative case count. JHU's cumulative case total for New York aligns with the New York State Department of Health and with media outlets.