What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a supercharged, head-eating anti hero like Venom? Or would you die a slow and painful ...

Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

Most humans have long-lived infections in various tissues-including in the nervous system-that typically do not result in disease. The microbes associated with these infections enter a latent stage ...