Florida, Louisiana, Arkansas, Alabama leading nation in cases
Florida currently has the nation's highest COVID-19 case rate, followed by Louisiana, Arkansas, Alabama, Missouri, Mississippi and Texas, according to federal data.
Across the country, 90% of counties -- home to 98% of the U.S. population -- have reported high (a seven-day new case rate ≥100) or substantial (a seven-day new case rate between 50-99.99) community transmission in the last week.
According to federal data, these states have high or substantial transmission in every county: Arizona, Arkansas, Connecticut, Delaware, Florida, Georgia, Indiana, Louisiana, Mississippi, New Jersey, Rhode Island, South Carolina, Tennessee, Utah, Washington and Wyoming.
-ABC News' Arielle Mitropoulos