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 ...

A debilitating infection from the parasitic Guinea worm is inching closer to global eradication, with an all-time low of only 10 human cases reported worldwide in 2025, the Carter Center announced. If ...

After heavy rainfall, sightings of an invasive species have been on the rise in North Texas. Hammerhead worms, named for their distinct hammer-shaped head, are a species of worm endemic to Southeast ...