Bad Bug Book: Giardia lamblia: Features cause, symptoms, risk factors, complications, and outbreaks.
CDC Division of Parasitic Diseases - Giardiasis: Factsheets and articles with cause, risk factors, diagnosis, prevention, and treatment.
eMedicine - Giardiasis: Article by Andre Pennardt, MD FACEP.
eMedicine - Giardiasis: Article by Brooks D Cash.
eMedicine Health - Giardiasis: Consumer health resource center providing information on the causes, symptoms, and treatment of giardiasis.
Giardia lamblia: Cell biology and microscopy of one of the most primitive eukaryotes.
Giardiasis - Beaver Fever: Fact sheet on the disease with cause, transmission, prevention, and treatment.
Giardiasis - Familydoctor.org: Factsheet with cause, diagnosis, prevention, and treatment.
Giardiasis Facts: Factsheet with cause, prevention, symptoms, and treatment.
Kidshealth: Giardiasis: Features cause, symptoms, diagnosis, prevention, and treatment.
MedicineNet: Giardiasis: Doctor produced consumer health information including what is giardiasis, who is at risk, signs and symptoms, diagnosis, treatment and prevention.
MedlinePlus Medical Encyclopedia: Giardiasis: Features cause, diagnosis, tests, symptoms, and prevention.