What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma gondii cysts contain multiple parasite subtypes, not just one sleeping form.

Rajshekhar Gaji was staring at something that should not exist. Under his microscope, parasites that should have been thriving were instead dying—completely unable to survive without a protein his lab ...

A microscopic parasite that can live for decades in the human brain infects an estimated one-third of the world’s population — usually without causing symptoms. But in people with weakened immune ...

Around one in three people worldwide have been infected with a microscopic parasite called Toxoplasma gondii – or simply “toxo” – which can cause toxoplasmosis. After the initial infection, toxo ...