Giardia

Question 1

Giardiasis

Answer 1

A major diarrheal disease found throughout the world caused by Giardia intestinalis

Question 2

What demographic is most affected by giardiasis?

Answer 2

Children

Question 3

Giardia intestinalis

Answer 3

flagellate protozoan that is most commonly identified in North America. This parasite infects the duodenum/ smallintestine of humans.

Question 4

What are the forms of the parasite?

Answer 4

• Trophozoite: existing and replicating in humans small intestine; invasive form that reproduces via asexual reproduction
• Cyst: passed into the enviroment and has a thick wall to protect it from adverse conditions; infective form

Question 5

What are the hosts for Giradia?

Answer 5

1 definitive host; humans