Ok, St. John is paradise. The only true nuisance are the mosquitos. They are not only a nuisance, they can actually infect you with bad diseases like Dengue and Chikungunya Fever. Both viruses are transmitted by Aedes species mosquitoes, which have black and white stripes markings. The National Park Service has actually just issued a warning about Chikungunya outbreak in the Caribbean. In Makonde (African language), chikungunya means “that which bends”, referring to stooped appearance of patients in severe pain.