Although limited drugs to treat giardiasis are available, there are concerns regarding toxicity in some patients and the emerging drug resistance. duodenalis) is one of the leading causes of diarrheal parasitic diseases worldwide. Giardiasis caused by Giardia intestinalis (syn. 2Department of Genetics and Molecular Biology, Center for Research and Advanced Studies of the National Polytechnic Institute, Mexico City, Mexico.1Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA.Fengguang Guo 1 Guadalupe Ortega-Pierres 2* Raúl Argüello-García 2 Haili Zhang 1 Guan Zhu 1*
