Abstract
Intestinal parasitic infections are a public health problems related to lack of sanitation in developing countries. The most common etiological agents found in streams and food contaminated with human or animal fecal material are Giardia spp., Cryptosporidium spp., Cyclospora spp., Toxoplasma gondii and some types of helminths such as Ascaris lumbricoides, Trichuris trichiura and Ancilost…