Data: Covid Tracking Project; Chart: Axios VisualsFlorida reported 15,299 confirmed coronavirus cases on Sunday — a new single-day record for any state, according to its health department.The big picture: The figure shatters both Florida's previous record of 11,458 new cases and the single-state record of 11,694 set by California last week, according to AP. It also surpasses New York's daily peak of 11,571 new cases in April, and comes just a day after Disney World reopened in Orlando.Worth noting: More than a dozen states have reported new highs for daily case numbers this week.The country's alarming rise in cases isn't just due to increased testing — particularly where the number of cases has grown fastest over the last month, Axios' Andrew Witherspoon and Caitlin Owens report.Go deeper: We're losing the war on the coronavirus