For the third straight day, Florida and South Carolina broke their single-day records for new cases, while infection levels for Missouri and Nevada also reached new highs on Saturday.

And on Friday, the United States reported more than 30,000 new infections, its highest total since May 1, with cases rising in 19 states across the South, West and Midwest.

Florida reported 4,049 new cases on Saturday, breaking Friday’s record (3,822) and Thursday’s record (3,207). The state now has had 93,797 cases and 3,144 deaths.

South Carolina broke its record with 1,155 new cases; Nevada had 452 and Missouri had 375.

The new infections have skewed younger, with more people in their 20s and 30s testing positive, Gov. Ron DeSantis of Florida said.

On Saturday, the Florida Department of Health issued an additional health advisory, recommending that people avoid…