Brazil looks to short-term and long-term strategies to fight a disease so painful it's known as "breakbone fever." The outbreak is part of a global wave of dengue triggered in part by climate change.
Experts warn that new tropical viruses are headed for the U.S. – and the country should take active measures to fend them off.
Researchers have found that certain viruses may have a trick up their sleeve that can make humans more attractive to mosquitoes. The study also revealed a possible remedy.
Given the choice between an animal and a human, the Aedes aegypti species prefers ... us. A new study explains how that happened.
Some of the reasons for the surge are expected — heavy rainfalls create lots of pools where mosquitoes can breed. But there are some surprising factors, like the Zika virus.
Dengue afflicts nearly 400 million people worldwide every year, but a vaccine has remained elusive. New research offers a path forward.
Life expectancy is up. The death rate for young children is down. So why is Dr. Richard Horton, editor of 'The Lancet,' worried about global health?
For decades, scientists have noticed something particular about a mosquito-borne virus: The second infection can cause your blood vessels to leak, like with Ebola. Now scientists think they know why.
Scientists predicted that more than 1,000 babies would be born with the birth defect in Brazil last year. That never happened. Why?
Puerto Rico has more reported cases of Zika than many other places in the region, and the number of cases continues to rise. Unfortunately, Zika is just one of the island's many problems.