Incidence of cryptosporidiosis species in paediatric patients in Malawi
Morse, Tracy and Nichols, RAB and Grimason, Anthony and Campbell, Brian and Tembo, K.C. and Smith, Huw (2007) Incidence of cryptosporidiosis species in paediatric patients in Malawi. Epidemiology and Infection, 135 (8). 1307 - 1315. ISSN 0950-2688 (https://doi.org/10.1017/S0950268806007758)
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We determined the incidence of cryptosporidiosis in children aged <5 years presenting with diarrhoea in an urban and rural hospital-based setting in Malawi. Stools were collected over a 22-month period during both rainy and dry seasons. A range of microscopic methods were used to determine the presence of Cryptosporidium spp. oocysts. Species determination was by polymerase chain reaction–restriction fragment length polymorphism (PCR–RFLP) of oocyst-extracted DNA using 18S rRNA and COWP gene loci. Cryptosporidium spp. oocysts were seen in 5.9% (50/848) of samples, of which 43 amplified by PCR–RFLP indicated the following species: C. hominis, C. parvum, C. hominis/C. parvum, C. meleagridis and C. andersoni. Seven samples could not be amplified by PCR. Wider species diversity was found in the rural setting, and may be a result of increased malnutrition and zoonotic exposure in this area. Improvements in water, sanitation, household hygiene and animal control are required to reduce the incidence of infection in this population.
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Item type: Article ID code: 46178 Dates: DateEvent1 November 2007PublishedSubjects: Technology > Engineering (General). Civil engineering (General) > Environmental engineering Department: Faculty of Engineering > Civil and Environmental Engineering Depositing user: Pure Administrator Date deposited: 28 Nov 2013 11:41 Last modified: 08 Apr 2024 20:58 URI: https://strathprints.strath.ac.uk/id/eprint/46178