An expert would not let this happen. Animal hazards are common. These attacks have come from sharks, alligators, rattlesnakes, cottonmouths, coral snakes, sting rays, barracuda, spiders, bees, hornets, wasps, fire ants, ticks, and mosquitoes. Other dangerous or annoying critters, too numerous to mention, are also in abundance. As an expert you are expected to know how to counter these attacks and it is expected that you have an adequate first aid kit and that you know how to use it.
Mosquitoes are ever present year round in Florida and especially in the Everglades.
November through March are the best times for less of a mosquito problem but they can still be dangerous. Mosquitoes can carry disease and there have been documented cases of large animals dying from mosquito bites alone due to loss of blood. As an expert you are expected to be able to deal with mosquitoes. There are poisonous plants in some parts of Everglades National Park that can harm or kill you. Poison from the Manchineel tree was used by the Calusa Indians against Ponce de Leon and his men.