Puerto Rico has declared a dengue fever epidemic following a spike in cases, prompting questions about the mosquito-borne virus. The U.S. territory declared the public health emergency Monday ...

On Monday, government leaders in Puerto Rico declared a dengue epidemic after a spike in cases of the mosquito-borne disease hit the island. From the start of the year through March 10 ...

Dengue fever is on the rise in Puerto Rico, and island officials have declared it an epidemic. At least 549 cases have been reported so far and more than 340 people have been hospitalized, ...

Puerto Rico last declared a dengue epidemic in 2012. More than 5 million dengue cases were reported worldwide last year, with nearly 80% of them occurring in the Western Hemisphere, according the ...