Remember the last time you had the flu? The exhaustion, the fever, the aching body?

While you were sleeping, you may have been protected by a bed net. While you were sleeping, the screens on your windows might have been closed, and maybe even a fan was blowing air across your body.

Dengue illness, the most common mosquito-borne viral disease in the world, has expanded from Southeast Asia to The Americas.

By: John O. Davies-Cole, PhD, MPH, Professor at The George Washington University