About the data

The data on this page are Centers for Disease Control and PreventionPopulation and demographic data are from the U.S. Census Bureau. Hospitalization data are reported by individual hospitals to the U.S. Department of Health and Human Services and include confirmed and suspected adult and pediatric patients.

Governments sometimes report large increases in daily cases or deaths without correcting data or specifying when the cases or deaths occurred. This can lead to irregular patterns in the daily reported numbers. CDC may update history as more data is reported. A 14-day change measures the difference between her CDC reporting periods 2 weeks apart. They may be 13 or 15 days apart due to holidays or other disruptions to normal reporting.

Weekly county case and death data prior to January 2021 were not reported by the CDC. new york times.