Water School

Giardiasis is an infection of the small intestine by single-celled parasites called giardia. People are typically infected by the parasite through exposure to fecal mater through contaminated water or food. Symptoms, which usually begin about a week after infection, include diarrhea, nausea and abdominal cramps.Though there are no preventative vaccines, several drugs can be used to treat infections. However, there are ways to avoid becoming infected. First, people should avoid consuming water th...