Florida is seeing "very high" levels of flu as a new strain spreads quickly.

Influenza cases are down across the United States, but a new flu strain mutation identified in August is causing a spike in hospitalizations.

After weeks of delay, Florida's flu numbers are out—and up. Escambia County is among those experiencing a surge.

Following a national trend, 52 counties in Florida saw increasing cases of influenza A driven by a new mutation called subclade K.

Flu activity is surging and expected to continue. Meanwhile, the Florida Health Department hasn't released a weekly report in more than three weeks.

While flu cases are down compared to recent years, Florida saw an uptick in positive cases and hospitalizations.

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