Parasites are organisms that feed off their hosts for survival. Such parasitic creatures can cause mild to serious symptoms and, in some cases, fatal infections in their hosts. “Overall, parasites ...

Transmitted through infected mosquitos, the malaria parasite, once in the human bloodstream, synchronously ruptures red blood cells and rapidly infects new red blood cells, beginning the cycle anew.

Why do parasites harm their hosts? That's a question evolutionary biologists ask as they try to predict how a parasite might ...