No one wants to think about their cat or dog carrying parasites. But without prevention, the likelihood of infection is high.

Dogs, cats, and other animals make wonderful companions and pets. Their presence can reduce stress, provide a sense of responsibility, and fill lives with joy. However, pets also carry pathogens that ...

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 ...

A stomach bug is making a lot of people sick in Florida, according to the Centers for Disease Control and Prevention. Giardia duodenalis is a common intestinal parasite found worldwide, particularly ...

At least 15 people were sickened by a parasite after drinking from a natural spring in New Hampshire, which also tested positive for E. coli, health officials said Thursday. Giardia had been suspected ...