A parasitic infection transmitted to humans by cats affects billions of people and can alter their behavior. New research ...

While more than 100 species of Babesia parasites have been identified, overall, only a few species are known to infect humans. Sign up for the Live Science daily newsletter now ...

Threadworm infestation is a common minor ailment ... Threadworms aren't the only worms (helminths) that invade humans. Hookworms, for example, affect about 470 million people worldwide.

Findings from a new study could help doctors select more effective treatments earlier for patients suffering from leishmaniasis, a disfiguring skin infection.

It's especially common in the feet, buttocks, thighs and hands, but the worms can enter through any part of the skin. An infection cannot spread between humans. Another key characteristic of a ...

Most humans have long-lived infections in various tissues-including ... researchers shows that the immune system indeed recognizes the latent stage of the parasite Toxoplasma gondii, which causes ...

Dublin parks show high levels of roundworm eggs near entrances, highlighting health risks and the need for better pet waste cleanup.