Florida's local dengue count keeps climbing, and across the Americas, the totals are heading the other way. If you're just catching up, here's the short version: a locally acquired dengue outbreak has been centered on Hillsborough County, in the Tampa Bay area. The Florida Department of Health counted 170 outbreak cases there, including the region's first dengue death in about a century. Pasco County declared a seven-day local emergency on September 23. Hillsborough and Pinellas followed on the 24th, and crews expanded aerial and truck mosquito spraying. This is Dengue Watch. Today, a dengue researcher on what Florida's outbreak really looks like. And if the region's easing, why isn't Florida? Let's start with that researcher. Here's Tanner Stening at Northeastern Global News:
This month, the state recorded a rare death from the disease, which the Florida Department of Health confirmed in an email to Northeastern Global News on Friday. Its most recent data shows that there were 38 new locally acquired dengue cases between Sept. 13-19, bringing the 2026 total to 190 cases across six counties. That is on top of the 212 travel-associated cases.
So Florida has recorded a dengue death this month. The state health department confirmed it in an email to Northeastern Global News on Friday, September 25th. One death, state-confirmed, and that's where I'll leave it. And the Tampa Bay outbreak behind those three county emergencies sits inside a bigger statewide count. State data for September 13 to 19 shows 38 new locally acquired cases, which brings 2026 to 190 across six counties. Travel-associated cases stand at 212. Locally acquired just means the person caught it from a mosquito here in Florida, not on a trip. Six counties, but only three declared emergencies. So which are the other three? If Sarasota or Manatee are in that six, people there would want to know. Northeastern researcher Michael Johansson, who's studied dengue for two decades, says the local count is elevated against the past decade, especially around Tampa Bay, while travel cases sit in the normal range. What we still don't know is whether this is one sustained chain or several separate introductions. Virus turning up in 17 mosquito pools confirms it's in local mosquitoes. But it can't tell us how many times it got started. Now, the Pan American Health Organization's been tracking the regional picture. Okay, traveler frame. PAHO's update through epidemiological week 35 counts 1,658,783 suspected dengue cases across the Americas so far this year. And before anyone lines that up next to Florida, remember it's a hemisphere-wide number, and it's suspected cases. Right, suspected means reported on symptoms, not necessarily lab-confirmed. PAHO puts it at 159 cases per 100,000 people, and here's the part that surprised me: that's down 57 percent from the same point in 2025, and 64 percent below the five-year average. So a quieter year regionally. Which makes the 212 travel-associated cases in the Northeastern piece we just heard a little odd, doesn't it? Not necessarily. A 57 percent drop across a whole hemisphere can still leave individual countries running hot. Averages don't tell you where someone flew last month, and this update, dated September 25, won't tell a traveler which destination to watch. If you're finding Dengue Watch useful, please subscribe or leave us a review wherever you're listening. Reviews help other people find the show, and we're grateful for your support.
Links to every story are in the show notes, so you can follow up on the reporting that caught your attention. Thanks for listening, and we'll meet again next time. That's Dengue Watch for today. This is a Lantern Podcast.