Assessment of bacterial carriage on the hands of primary school children in Calabar municipality, Nigeria
Tóm tắt
Hand washing with soap and water is a good hand hygiene practice which reduces the chance of infection transmission through hand contact. This study was designed to determine the microbial hand carriage among nursery and primary school children in Calabar Metropolis and to assess the effect of hand washing in the reduction of bacterial hand carriage among these children. A total of 150 pupils aged 2–13 years were enrolled in the study from both private and public nursery and primary schools. Ethical approval was obtained from the Cross River State Ministry of Health, before the collection of the samples. Informed consent was obtained from the management of the schools and the parents and guardian of the children. A structured questionnaire was administered to the pupils for information on demography, hand hygiene practice, and their awareness on the importance of hand washing. Hand swabs were obtained from the pupils before and after hand washing respectively. Samples were subjected to culture, microscopy, and biochemical analysis. Data obtained in the study were analyzed by Epi-Info CDC, 2012 package. Males had the highest occurrence of the isolates 82 (62.1%) than females 50 (37.8%). This study recorded 88.0% prevalence of bacterial hand carriage among school children. Staphylococcus aureus was the most common isolate (68.9%) recovered before hand washing followed by Escherichia coli (25.0%). Proteus vulgaris and Pseudomonas aeruginosa were not found on the pupils’ hands after hand washing. There was a significant difference in the bacterial carriage after hand washing between the two soap types (χ2 = 19.9, p = 0.001) with Dettol soap subjects having a lower bacterial carriage (31.2%) than Tetmosol soap subjects (68.8%). The isolated bacteria were potential pathogens in humans. There was a significant reduction in bacterial carriage after hand washing with antibacterial soaps. School children should be educated on the need to wash hands with clean water and soap and dry with clean towels as this will reduce the risk of transmission of pathogenic bacteria orally or into open wounds.
Tài liệu tham khảo
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