It's rare in the U.S., but it shows up in places popular with tourists, like Puerto Rico, the Pacific islands, Latin America, and Southeast Asia. When you catch it, you could get problems like rash, fever, headache, easy bruising, and bleeding gums. Sometimes it leads to hemorrhagic fever, which can be deadly. The only vaccine. approved by the FDA is for use in children aged 9-16 who already had been infected by one of the four dengue viruses to help prevent getting the disease again from one of the other viruses.