A group of parasitic insects tough enough to kill fire ants has shown researchers a nasty new trick. The creatures hide inside their victim by making the host form a protective bag of its own skin.

(CNN) — Move over mosquitos. There’s another blood-sucking biter Americans need to guard against because it can spread disease: the sand fly. Sand flies are tiny tan flies — about the quarter of the ...

Bed bugs, like the triatomines, can transmit Trypanosoma cruzi, the parasite that causes Chagas disease, one of the most prevalent and deadly diseases in the Americas, research has confirmed. The bed ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists with the CDC report that they've detected the tropical, flesh-eating parasite leishmaniasis in patients who haven't ...

These sores often erupt near the site of a recent bite. The parasite disables nerves in the skin, so the sores generally are not painful but tend to scar and can be disfiguring, especially if they ...

Scientists with the CDC report that they've detected the tropical, flesh-eating parasite leishmaniasis in patients who haven't traveled outside the country Brenton Blanchet is an Associate Editor on ...

(CNN) — Move over mosquitos. There’s another blood-sucking biter Americans need to guard against because it can spread disease: the sand fly. (CNN) — Move over mosquitos. There’s another blood-sucking ...