Floodwater raises mosquito, dengue concerns across western Broward, health officials warn

As severe floodwaters slowly recede across western Broward County following days of torrential downpours, public health and municipal officials warn that lingering standing water could fuel a surge in mosquitoes carrying viral illnesses such as dengue.

Days of heavy rain inundated Davie and surrounding communities, shuttering local schools, stalling vehicles along flooded corridors, and temporarily trapping residents in their homes. While flood levels began dropping Friday, several recreational areas — including Oakhill Equestrian Park — remained closed due to standing water.

Local authorities cautioned that pooled, stagnant water creates an ideal breeding habitat for mosquitoes, amplifying health risks as Florida tracks elevated dengue activity statewide.

According to data from the Florida Department of Health, the state has logged nearly 300 cases of dengue this year. Dengue is a viral infection transmitted to humans through the bites of infected mosquitoes, most commonly during South Florida's extended wet season.

While state health officials reported no confirmed dengue cases in Broward County this month, medical experts warned that prolonged post-storm ponding increases the probability of local transmission.

Physicians are urging residents to monitor themselves for characteristic symptoms if bitten.

"You definitely can have fevers, a lot of body aches, and headaches, characteristically behind the eye," said Dr. Craig Harrison from Broward Health Medical Center. "In severe cases, you might start to develop a rash or bleeding. These would be things to look out for, and sometimes nausea and vomiting."

In response to pooling water, the Town of Davie has initiated proactive mosquito-spraying programs.

Municipal officials said crews are assessing affected neighborhoods to determine whether additional ground-level fogging or targeted aerial eradication operations are necessary to curb insect populations before larvae mature.

Public health agencies continue to recommend the "Drain and Cover" method: draining standing water from flower pots, gutters, pet dishes, and pool covers, while using insect repellents containing DEET and wearing long sleeves when outdoors during peak mosquito activity hours.