CDC Division of Parasitic Diseases - Giardiasis  
   Factsheets and articles with cause, risk factors, diagnosis, prevention, and treatment.
   http://www.cdc.gov/ncidod/dpd/parasites/giardiasis/default.htm

Giardiasis - Familydoctor.org  
   Factsheet with cause, diagnosis, prevention, and treatment.
   http://familydoctor.org/078.xml

Bad Bug Book: Giardia lamblia  
   Features cause, symptoms, risk factors, complications, and outbreaks.
   http://vm.cfsan.fda.gov/~mow/chap22.html

Kidshealth: Giardiasis  
   Features cause, symptoms, diagnosis, prevention, and treatment.
   http://kidshealth.org/parent/infections/stomach/giardiasis.html

MedlinePlus Medical Encyclopedia: Giardiasis  
   Features cause, diagnosis, tests, symptoms, and prevention.
   http://www.nlm.nih.gov/medlineplus/ency/article/000288.htm

eMedicine - Giardiasis  
   Article by Brooks D Cash.
   http://www.emedicine.com/med/topic868.htm

Giardiasis Facts  
   Factsheet with cause, prevention, symptoms, and treament.
   http://www.astdhpphe.org/infect/giardiasis.html

Giardia lamblia  
   Cell biology and microscopy of one of the most primitive eukaryotes.
   http://www.geocities.com/CollegePark/Lab/4551/

Giardiasis - Beaver Fever  
   Fact sheet on the disease with cause, transmission, prevention, and treatment.
   http://www.bchealthguide.org/healthfiles/hfile10.stm

eMedicine Health - Giardiasis  
   Consumer health resource center providing information on the causes, symptoms, and treatment of giardiasis.
   http://www.emedicinehealth.com/articles/17334-1.asp