{"title":"[Abundance Dynamic of Oocysts in the Groundwater of Mbankomo, a Sub-urban Area Yaounde: Physico-chemical Factors and Health Risk].","authors":"A Asi Quiggle, A Ajeagah Gideon, T N Okoa Amougou","doi":"10.3166/bspe-2021-0155","DOIUrl":null,"url":null,"abstract":"<p><p>To determine the dynamics of dissemination of the different forms of enteric sporozoa in the groundwater of Mbankomo, a study was carried out from August 2018 to July 2019. The physico-chemical analyzes were carried out both in the field and in the hydrobiology and environment laboratory of the University of Yaoundé I. The observation of protozoan oocysts was carried out after application of the Ziehl-Neelsen staining. Physico-chemical analysis showed slightly acidic water (6.32 ± 0.43 UC), with high turbidity (31.30 ± 23.56 mg/l). Biological analysis indicated the presence of protozoan oocysts with an average density of 42 ± 69 oocysts/l of Cryptosporidium spp., 17 ± 34 oocysts/l of Cyclospora cayetanensis, 9 ± 19 oocysts/l of Isospora belli and 6 ± 11 oocysts/l of Sarcocystis spp. The highest concentrations of oocysts were recorded during the rainy season. Statistical tests showed a positive correlation between the densities of oocysts with suspended matters (P < 0.05).</p>","PeriodicalId":9353,"journal":{"name":"Bulletin de la Societe de pathologie exotique","volume":"113 3","pages":"278-288"},"PeriodicalIF":0.0000,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin de la Societe de pathologie exotique","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3166/bspe-2021-0155","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Medicine","Score":null,"Total":0}
引用次数: 0
Abstract
To determine the dynamics of dissemination of the different forms of enteric sporozoa in the groundwater of Mbankomo, a study was carried out from August 2018 to July 2019. The physico-chemical analyzes were carried out both in the field and in the hydrobiology and environment laboratory of the University of Yaoundé I. The observation of protozoan oocysts was carried out after application of the Ziehl-Neelsen staining. Physico-chemical analysis showed slightly acidic water (6.32 ± 0.43 UC), with high turbidity (31.30 ± 23.56 mg/l). Biological analysis indicated the presence of protozoan oocysts with an average density of 42 ± 69 oocysts/l of Cryptosporidium spp., 17 ± 34 oocysts/l of Cyclospora cayetanensis, 9 ± 19 oocysts/l of Isospora belli and 6 ± 11 oocysts/l of Sarcocystis spp. The highest concentrations of oocysts were recorded during the rainy season. Statistical tests showed a positive correlation between the densities of oocysts with suspended matters (P < 0.05).
期刊介绍：
Le Bulletin de la Société de pathologie exotique et la société savante (SPE) dont il est la vitrine ont été créés en 1908 par Alphonse Laveran. Destiné, dans un premier temps, à servir de support à la publication des travaux des sociétaires présentés en séance sous forme de communication ou de mémoire, ce périodique est devenu, au fil du temps, une revue internationale francophone multidisciplinaire, ouverte à tous les médecins, vétérinaires, anthropologues et chercheurs travaillant dans le domaine de la médecine tropicale humaine et animale et de la santé publique dans les pays en voie de développement.
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