Severe dengue can cause bleeding from the gums, abdominal pain and, in some cases, death. So far, the mosquito has mostly been confined to southern Europe, but it's a worry across the Continent.

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 ...

There is a vaccine for dengue called Dengvaxia. In the U.S., it is approved for use in children between ages 9–16 who have previously been infected with the disease, and in other parts of the ...

Scientists say gene-editing technology may eradicate a mosquito in the U.S. that spreads dengue and other diseases. Concerns remain about the possible environmental impact of bioengineered mosquitoes.