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JHU has stopped collecting data as of

03 / 10 / 2023

After three years of around-the-clock tracking of COVID-19 data from...

By Region

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

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May 13, 2022

Pennsylvania

  • As of May 10, 2022, Pennsylvania has shifted to once weekly reporting (Wednesdays). The JHU Coronavirus Resource Center will collect data for Philadelphia city from the county health department. Philadelphia city updates Mondays and Thursdays.

December 1, 2021

Pennsylvania

  • On Nov. 23, 2021, Pennsylvania updated vaccination data submitted to the CDC that resulted in a decrease of 1,151,719 doses administered.