JHU has stopped collecting data as of
After three years of around-the-clock tracking of COVID-19 data from...
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
Choose a World Country or U.S. State
October 5, 2022
California
On September 30, 2022, Riverside, California deaths decreased from 6610 to 6543. Per the county, this is due to data reconciliation efforts by the California Department of Public Health. More details: https://github.com/CSSEGISandData/COVID-19/issues/6130.
September 21, 2022
California
On September 15, 2022, California switched to providing data once per week: Data will update on Thursdays. The Coronavirus Resource Center's reporting for California's cases and deaths takes a composite approach where some locations are sourced from county health departments. These counties may update on a different schedule. While some data will likely be published most days, the bulk of the data will be released on Thursdays with the state update.
April 19, 2022
California
On April 5, 2022, California shifted to Tuesday/Friday reporting.
June 11, 2021
California
Alameda County on June 11 lowered its COVID-19 death toll by 411 fatalities to 1,223 after local health officials changed how they count pandemic deaths to match California’s methodology. The state’s tally only includes fatalities in which COVID-19 has been declared the official cause of death. The county’s total included any deaths in which the deceased had tested positive for COVID-19.