Background Head lice infestation (pediculosis) is a serious health problem that can cause a high level of anxiety and psychological frustration, especially in developing countries.Socio-demographic factors are important determinants of the occurrence of head lice infestation. This study aimed to determine the head lice infestations and the factors affecting the rate of infestationin primary sch...

we conducted a study to evaluate efficacy and safety of dimeticone 4%, a lotion with no conventional insecticide activity, to cure lice infection and to prevent spread of infestation/reinfestation by prophylaxis of classmates.the study is carried out between april 2008 and june 2008 in petranova international institute in rome. a total of 131 children, aged 3 to 13 years (median age: 7 years) w...

Background: Head lice is one of the threats to public health in advanced and developing societies. In previous studies in Kerman Province, the rate of head lice infection was reported to be 3.8%. The aim of this study was to determine the prevalence of head lice infection among female students of elementary schools of Kerman, and to identify the factors involved. Methods: This study was a desc...

The speciÞc status of the head and body lice of humans has been debated formore than 200 yr. To clarify the speciÞc status of head and body lice, we sequenced 524 base pairs (bp) of the cytochrome oxidase I (COI) gene of 28 head and 28 body lice from nine countries. Ten haplotypes that differed by 1Ð5 bp at 11 nucleotide positions were identiÞed. A phylogeny of these sequences indicates that th...

head louse infestation is common in various parts of the world. baluchestan area in southeast of iran is one of the most infected areas. we studied the head louse infestation among the girls in primary schools of iranshahr, which is the largest city of the province during november 2002 to may 2003. totally 918 pupils, between 6-14 years old from 12 urban primary schools were randomly selected b...

Head lice, Pediculis capitis De Geer, populations were investigated for permethrin and malathion resistance after initial establishment of a discriminating dose of topical application bioassay with body lice, Pediculus humanus L. For both insecticides, approximately 2 times the lethal dose (LD)95 at 4 h was selected, 2 ng of permethrin and 100 ng of malathion per head louse, respectively. Head ...

BACKGROUND Genetic analyses of human lice have shown that the current taxonomic classification of head lice (Pediculus humanus capitis) and body lice (Pediculus humanus humanus) does not reflect their phylogenetic organization. Three phylotypes of head lice A, B and C exist but body lice have been observed only in phylotype A. Head and body lice have different behaviours and only the latter hav...

Background and aims: Pediculosis is one of the most common parasitic diseases that affect a wide range of age groups. The prevention of head lice infections promotes the physical and mental health of people in the community. Thus, the aim of this study was to investigate the prevalence of head lice infections and the factors affecting them in those who referred to health centers in Geras...