A perfectly reasonable question, Mark. For a good answer, I spoke with Lisa Lange, a microbiologist and filter expert who works for Cascade Designs, which now markets both the Sweetwater filter line ...

Giardia is a tiny parasite that lives in the intestines. It can infect humans, mammals, and birds. Giardia infection, known as giardiasis, causes diarrhea in your dog. It's important to know that you ...

Dog owners say their pets got Giardia after swimming in the lake at Cosmo Dog Park, raising concerns about safety at the Gilbert park.

Giardiasis is an intestinal infection caused by a microscopic parasite called Giardia intestinalis. It is one of the most common causes of waterborne disease in the world. Giardia lamblia protozoan ...