Why is Hillsborough planning aerial mosquito treatments both day and night? Some context before today's development: Hillsborough County is the center of Florida’s locally acquired dengue outbreak, with 385 confirmed cases in the state report through October 24. Its local emergency runs through November 5. On November 2, county mosquito officials reported negative dengue tests in traps, but warned that rain over Halloween weekend could increase mosquito breeding. This is Dengue Fever Watch. We'll look at Hillsborough's treatment plans first, then the WHO's new clinical guidelines for dengue and related mosquito-borne diseases. We're staying with this story: Tampa Bay dengue outbreak and emergency response. Follow the show and you won't miss what comes next.
This one's from Hillsborough County, FL:
Hillsborough County residents will notice more helicopters flying low this week treating neighborhoods during day and nighttime hours as the County works to stop the spread of dengue fever. Helicopters will be flying over neighborhoods throughout Hillsborough County Nov. 4-6 as the County works to protect communities from mosquito-borne diseases.
Hillsborough’s dengue emergency response has a new operational schedule. In its November third notice, the Florida county says aerial mosquito treatments are planned over neighborhoods November fourth through sixth—starting today—with daytime and nighttime flights. So residents may see low-flying helicopters in daylight, too. The county says those daytime flights target mosquito larvae—the young mosquitoes developing in standing water—before they become adults. They’re applying liquid Bti, a naturally occurring bacterium, to that water. The county says the product breaks down naturally and doesn't harm people, pets, fish, birds or beneficial insects. Those November fourth-through-sixth dates give residents a useful window. For a particular neighborhood, the county’s Mosquito Operations updates are the place to check; a countywide announcement shouldn't be read as every block getting the same treatment at the same hour.
Here's World Health Organization:
In alignment with the strategic objectives of the Global Arbovirus Programme, the WHO guidelines for clinical management of arboviral disease focuses on the updated recommendations for clinical management of dengue, chikungunya, Zika and yellow fever for which there are no approved specific treatments, and management of these diseases is mostly symptomatic and supportive.
WHO has scheduled a global webinar for today, November fourth, from one to two p.m. Central European Time, to launch clinical-care guidelines covering dengue, chikungunya, Zika and yellow fever. Its November second announcement says the guidelines update recommendations for caring for people with these infections. That word “care” matters. WHO says these four diseases have no approved specific treatments, so the practical stakes are how patients are supported—and how worsening illness gets recognized. Supportive care means managing symptoms and helping the body cope with illness. WHO says most cases are mild and resolve on their own, but severe illness can be fatal without appropriate recognition and care; these guidelines include recommendations for patients who need admission to a health facility.
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Hillsborough County’s aerial mosquito-treatment window runs November 4 through 6, with operations scheduled during both daytime and nighttime hours. Links to every story are in the show notes, so you can read more on the developments that caught your attention. That’s Dengue Fever Watch for today. This is a Lantern Podcast.