Most people who get bitten by a tick will be perfectly fine, says Michel Shamoon-Pour, a molecular anthropologist at the Binghamton University Tick-borne Disease Center in New Yor ...

Cryptosporidium is a parasite that can cause gastrointestinal illness, often associated with contact with animals, especially ...

PetHelpful. Q: "My dog has red, irritated skin under his nostrils and started getting scabs under his mouth in the winter, ...

Infectious diseases such as gonorrhea or chlamydia are often overlooked factors that affect fertility in men. Accumulating evidence suggests that a common single-celled parasite called Toxoplasma ...

Parasitic worms that infect humans are not interbreeding with those that infect cattle as previously thought. This is good news for when it comes to controlling schistosomiasis, a disease caused by ...

Discover the shocking parasite contamination hiding in your healthy foods. Fresh spinach, berries harbor dangerous bugs.

The most common way people swimming inland get sick is by swallowing the water. How much you consume matters: “If you swallow ...

They live between 400 and 3,185 meters (1,300–10,450 feet) deep, a habitat where parasites like L. szidati are common but poorly studied. The females of this species pierce the fish's skin to feed on ...

After taking a blood meal, a kissing bug may defecate, depositing the parasite on the skin, said Bast. The parasite then enters the host when the feces is rubbed into the wound or into mucous ...

Parasites are an essential part of their ecosystem ... have evolved from animals picking parasites off of each other’s skin or fur.