Prevalence of infestation with head lice Pediculus humanus capitis (de Geer) in primary school children in the centre of Erbil City, Kurdistan Region, Iraq

The prevalence of Pediculus humanus capitis were investigated in three selected primary-school children age ranged fro 6 to 11 years located in Erbil city, Kurdistan region - Trag. Overal 3,490 students (14.52%) were found infested with nits, immature or adults. There was no significant difference in the prevalence between girls (28.03%) and boys (1.98%) but there was a significant difference for long hairs (24.83%) and short hairs (10.78%). Smoth hairs (9.80%) and wrinkled hairs (28.31%) traits as well as between children of different age groups and the studied months in which highest ratio of infestation was seen in December (19.91%) and the lowest ration in April (11.60%) with significant difference between the period of study in months.