Parasites

If you've ever sipped some untreated tap water while you were abroad on vacation, you may have returned home with an unexpected souvenir: diarrhea.

A husband and wife returned home from a Caribbean cruise with identical souvenirs from their vacation: parasitic infections that caused itchy, red rashes on the couple's backsides.

A California man pulled a shockingly large tapeworm from his body, which he may have contracted from eating sushi, according to his doctors.

Rats get a bad rap for spreading the plague, or Black Death, that killed millions of people in medieval Europe. But they may not be to blame.

A "raw" diet for pets carries risks of their exposure to parasites and bacteria.

The proof is in the poo.

A rare find in amber connects ancient ticks to feathered dinosaur hosts.

Hundreds of Vietnam War veterans may be infected with parasites called liver flukes, which can sometimes lead to cancer, recent research suggests.

A woman in Australia lost vision in her left eye due to a decade-long parasite infection, the Daily Mail reported yesterday (Sept. 20).

When doctors in Mexico peered into a 17-year-old boy's eye, they got a squirming surprise: a flatworm wriggling in and out of the teen's eyeball.

The German government is considering approval of a food ingredient that most people try their best to avoid: parasite eggs.

Seagulls target seal pups' poop, and the pups get it in the end. Maybe don’t read this one during lunch.

A parasitic worm that can infect people's brains has been found throughout Florida, according to a new study.

The strange neuroscience of the cat parasite called Toxo.

A 32-year-old man in Portugal went to the hospital after experiencing stomach pain, vomiting and fever. The culprit? A parasitic worm called Anisakis in the sushi he had just eaten.

A woman's raised itchy rash turned out to be the result of a parasite burrowing beneath her skin, according to a recent case report.

The remains of the oldest relatives of bedbugs were discovered in an Oregon cave, suggesting humans may have been in contact with the pests some 11,000 years ago.