@aytagizade on Instagram: "Giardiasis is an intestinal infection caused by the parasite Giardia duodenalis (Giardia lamblia). It is a common protozoan disease transmitted mainly through contaminated water and food. Giardia has two forms: 1. Cyst This is the infective form.Thick-walled and contains 4 nuclei.Can survive in the environment for weeks.Shed in feces and enables transmission to other individuals. 2. Trophozoite The active and motile form.Has 2 “eye-shaped’’ nuclei and 8 flagella.Attach