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#Cryptosporidium# genotypes in children and calves living at the wildlife- livestock interface of the Kruger National Park, South Africa
2016
Abu Samra N. | Jori F. | Caccio S.M. | Frean J. | Poonsamy B. | Thompson P.
Cryptosporidium infection is one of the most common causes of parasitic diarrhoea worldwide in cattle and humans. In developing countries, human cryptosporidiosis is most prevalent during early childhood and links between zoonotic infection and animal related activities have been demonstrated. This study investigated the prevalence and species/genotype distribution of Cryptosporidium among children (< 5 years) and calves (< 6 months) living in a rural farming area adjacent to the Kruger National Park in South Africa, where interactions between humans and wild and domestic animals are known to occur. Cryptosporidium oocysts were detected in 8/143 stool samples of children recruited within the hospital system (5.6%; 95% CI 2.4%, 10.7%) and in 2/352 faecal samples of calves (0.6%; 95% CI 0.1%, 2.0%) using the modified Ziehl–Neelsen (MZN) staining technique. Microscopy positive samples from children were further analysed by PCR targeting the 18S rRNA gene and identified as Cryptosporidium hominis (3/4) and Cryptosporidium meleagridis (1/4). Regardless of the microscopy outcome, randomly selected samples (n = 36) from calves 0–4 months of age were amplified and sequenced at the 18S rRNA gene using nested PCR. Two calves tested positive (5.6%; 95% CI 1.7%, 18.7%), and revealed the presence of Cryptosporidium parvum and Cryptosporidium bovis. The detection of only two zoonotic species (C. parvum in one calf and C. meleagridis in one child) suggests that zoonotic cryptosporidiosis is not currently widespread in our study area; however, the potential exists for amplification of transmission in an immunocompromised population. (Résumé d'auteur)
Show more [+] Less [-]A retrospective study of the prevalence and seasonal variation of Fasciola gigantica in cattle slaughtered in the major abattoirs of Zimbabwe between 1990 and 1999
2004
Pfukenyi, D.M. (Central Veterinary Laboratory, Causeway (South Africa). Diagnostic and Research Branch) | Mukaratirwa, S.
Protective levels of canine distemper virus antibody in an urban dog population using plaque reduction neutralization test
2004
Oyedele, O.I. (Witwatersrand Univ., Johannesburg (South Africa). Anatomical Sciences School) | Oluwayelu, D.O. | Cadmus, S.I.B. | Odemuyiwa, S.O. | Adu, F.D.
Some observations on the sero-prevalence of heartwater and tick infestation in Zambian goats
2004
Ahmadu, B. | Lovelace, C.E.A. | Samiu, K.L. (Zambia Univ., Lusaka (Zambia), Disease Control Dept.) | Mahan, S.
The occurrence of Contracaecum sp. larvae (Nematoda: Anisakidae) in the catfish, Clarias gariepinus (Burchell)from Lake Chivero, Zimbabwe
2004
Barson, M. (Zimbabwe Univ., Harare (Zimbabwe). Biological Sciences Dept.)
Cross-sectional estimation of Babesia bovis antibody prevalence in cattle in two contrasting dairying areas in Tanzania
2004
Swai, E.S. (Veterinary Investigation Centre, Arusha (Tanzania)) | Karimuribo, E.D. | French, N.P. | Ogden, N.H. | Fitzpatrick, J. | Kambarage, D. | Bryant, M.J.
Epidemiology of gastrointestinal helminths infections in Dorper sheep in a semi-arid area of Kenya
2004
Ng'ang'a, C.J. | Maingi, N. | Munyua, W.K. | Kanyari, P.W.N. (Nairobi Univ. (Kenya). Veterianry Pathology Dept.)
