The flowery scent of a Zika or dengue infection lures mosquitoes

Mice and humans infected with dengue emit acetophenone, a mosquito-attractor

Aedes aegypti mosquitoes

Aedes aegypti mosquitoes (shown) are attracted to the scent of a chemical that comes from mice infected with dengue or Zika virus, a study shows.

NIAID/Flickr (CC BY 2.0)

Some mosquito-borne viruses turn mice into alluring mosquito bait.