The mycoflora of the hair in 285 sheep from the West Bank of Jordan was analysed and the frequency of occurrence and the relative importance value for different fungal species found were calculated. Ninety six species which belong to 36 genera were isolated. Forty one of these species were either well-known agents of animal and human mycoses (Trichophyton verrucosum, T. mentagrophytes, Microsporum nanum, M. canis, and others), or have been isolated from human and animal lesions (Arthroderma cuniculi, A. curreyi, Chrysosporium tropicum, Acremonium kiliense, Aphanoascus fulvuscens, Aspergillus versicolor, Paecilomyces lilacinus, Scopulariopsis brevicaulis, and others). These pathogenic fungi comprised 75.4% of all fungi recovered from the hair of sheep. This animal seems to represent an adequate reservoir for several dermatophytes and several potentially pathogenic fungi.
A study of tinea capitis was carried out during the period January-June 1996 in 7525 primary schoolchildren aged 6-14 years comprising 4050 boys and 3475 girls in the Nablus district in the Palestinian area. Fourteen primary schools located in rural, urban and refugee camp areas were surveyed in this study. Seventy-five (1.0%) mycologically proven cases of tinea capitis were detected. The incidence was higher in schools in rural areas (1.9%) than in refugee camps (1.1%) or urban areas (0.4%). Also, the incidence was higher in young children (1.4%) aged 6-10 years than in older children (0.5%) aged 10-14 years. Boys 52 (1.3%) were more commonly affected than girls 23 (0.7%). Higher disease incidence was found to be correlated with larger family and class sizes. Trichophyton violaceum was the most common aetiological agent (82.7%) followed by Microsporum canis (16%) and Trichophyton schoenleinii (1.3%). The findings are discussed in relation to the children's different socioeconomic and hygienic backgrounds. A mycological investigation carried out on 117 tinea capitis cases at a clinic in the area under study showed similar results to those of the school survey.
Clinical data on 1068 cases of dermatophytosis as well as mycological data on 382 of these cases seen from March 1983 to September 1984 are reported. Tinea cruris was present in 34.1%, with Trichophyton rubrum and Epidermophyton floccosum isolated from 31% and 25% respectively. Tinea corporis was found in 17.9% of all patients of dermatophytosis with T. tonsurans responsible in 30.8%. Tinea pedis and Tinea unguium were present in 7.2% and 2% respectively, T. rubrum being the main causative agent; nail involvement was present in 27.3% of these cases. Tinea capitis was observed in 38.7% of 1068 dermatophytosis cases with T. violaceum and M. canis causing 48% and 32% of all T.C. cases respectively. The dermatophytic flora of the West Bank of Jordan apparently comprises about 14 dermatophytes, T. violaceum being the predominant agent of infection (in more than 34%). Other most common agents found in this survey were M. canis, T. rubrum, E. floccosum, T. schoenleini, T. tonsurans, and T. mentagrophytes.
Floor dust collected from classrooms of thirty three elementary schools (16 for girls, and 17 for boys) (children aged 6-11), and twenty four preparatory schools (13 for girls, and 11 for boys) (children aged 12-14) was studied for the occurrence of keratinophilic fungi with respect to human presence and age of children. Tichophyton mentagrophytes was present in 15.4% of the preparatory schools for girls, in 12.5% of elementary schools for girls, and in 11.8% of elementary schools for boys. It was not found in preparatory schools for boys. Microsporum gypseum was found in preparatory schools for girls only (7.7%). Trichophyton terrestre was also only isolated from elementary schools for boys (5.9%). Chrysosporium species were present in 30.3% of all elementary schools (10 schools/33), and in 20.8% of all preparatory schools (5 schools/24). Geotrichum candidum was the most frequent and predominant keratinophilic species in all schools. Pathogenic and potentially pathogenic keratinophilic fungi comprised a large proportion of all fungal isolates recovered from all schools; they comprised 87.2%-89.5% of all fungal isolates in the elementary schools, and 90.4%-93.5% of all fungal isolates in preparatory schools.
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