“…In this kind of investigation, giardiasis infection was found by direct examination under a microscope or the floatation technique. In the current study, the incidence of infection with Giardia lamblia in diarrheic children in Duhok was (9.05%), which is more or less similar to many studies in Iraq, including in Duhok city (M Abdullah, 2017), in Baghdad governorate (Saeed Jaeffer, 2011), and in Al-Najaf province (Mohy et al, 2022), where the incidence of Giardia lamblia infection was 9.5%, 10.72% and 9.77%, respectively. This result is also in disagreement with studies in other parts of the Iraq, conducted in Duhok city was 38.5% by (Al-Saeed & Issa, 2006), in Babylon Province was 28% (Khorsheed Rasheed et al, 2020), in Duhok Province was 15.55% (Haji et al, 2023), and in Karbala city was 4% (Ubaid & Ubaid, 2022).…”