Federal health officials warned doctors around the U.S. this week to look out for signs patients may have dengue fever, a virus spread by mosquitoes that's surging worldwide. Cases in the U.S. are ...

A Newsweek map shows where cases of dengue fever have been seen in the United States as an alert has been issued for the upcoming peak season during spring and summer travel.. Why It Matters ...

For the first time, the extreme variability in dengue fever has been linked to a biological mechanism, potentially opening ...

Dengue fever detected across new regions, CDC warns its on the rise around the world 02:42. As dengue cases break international records, U.S. health officials are warning doctors to be alert for ...

Why It Matters. Dengue fever is a viral infection transmitted by the Aedes aegypti mosquito, which bites during the day. In most cases, it causes sudden high fever, severe headache, pain in ...