Delta Variant Now Makes up 83 Percent of all U.S. COVID Cases

The delta variant of the coronavirus now accounts for roughly 83 percent of all U.S. COVID-19 cases, Centers for Disease Control and Prevention Director Dr. Rochelle Walensky announced on Tuesday, July 20.

"The best way to prevent the spread of COVID-19 variants is to prevent the spread of disease, and vaccination is the most powerful tool we have," Dr. Walensky asserted during a U.S. Senate hearing.

On July 3, the CDC noted that the delta variant accounted for about half of U.S. COVID cases.

That number has dramatically increased.

The latest delta surge also has led to increases in hospitaliz...