Along with ticks, fleas and heartworm, there’s another parasitic organism that can cause a host of problems for dogs. Giardia (also known as giardiasis) is an intestinal infection caused by a parasite ...

The single-celled intestinal parasite Giardia lamblia colonizes the upper small intestine by fastening to the microvillus brush border of intestinal cells. But exactly how Giardia attaches itself was ...

Scientists have provided more details about the first documented outbreak of giardiasis in Italy that was linked to tap water, according to recently published research. More than 200 people were ...

The parasite Giardia is killed off in warm weather, which means winter is its time to thrive in water and parks. With cooler temperatures and moist ground, the parasite Giardia can thrive. Each winter ...

An icky parasite that is a major source of tummy trouble for young children and nature lovers appears to have been infecting mammals for a very long time, researchers said Thursday. Giardia lamblia is ...

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. In most cases, there's a good chance you can blame a ...

Giardia is no joke. Just ask Ned Rozell, author of the Alaska Science Forum. Rozell wrote about the intestinal parasite in his weekly science column, put out by the Geophysical Institute at the ...