On Monday, Puerto Rico’s Department of Health issued a press release announcing an epidemic of dengue fever. Dengue fever is a mosquito-borne illness which can, in some cases, result in death. Puerto Rico last declared an epidemic of dengue in 2012. Though cases of dengue fever are relatively common in Puerto Rico, with 1,293 cases reported in 2023, the department’s secretary, Carlos Mellado López, reported that in 2024 “dengue cases have exceeded historical figures." So far this year, 549 cases have been reported in Puerto Rico. More than 340 of those cases have resulted in hospitalization. Many cases of dengue result in debilitating headaches, fever, vomiting, rashes, and body pains, especially behind one’s eyes. In rare cases, dengue fever can cause “plasma leakage” and death. "It is essential to recognize the symptoms early,” López warned. “In the presence of any of these symptoms, it is recommended to look for medical attention immediately.” According to the World H...