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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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October 5, 2022


  • On September 28, 2022, Hawaii added 10,995 reinfection cases and 800 further cases due to data cleaning. This has resulted in approximately 10x as many cases being added this week compared to recent trends. More details here:

March 16, 2022


  • Hawaii has changed to weekly reporting (Wednesdays).

July 12, 2021


  • The Johns Hopkins Coronavirus Resource Center had been displaying a lower rate of vaccinations in Hawaii than what the state had been reporting because the CRC was collecting its data from the U.S. Centers for Disease Control and Prevention’s Vaccine Tracker. However, Hawaii has been reporting data via its state dashboard more quickly. Therefore, the Coronavirus Resource Center has successfully adjusted its method to extract data from the state that it could not previously access. The percentage of Hawaii’s population that is fully vaccinated has been updated to reflect the most up-to-date, higher number.