Freshwater snail-borne parasitic diseases in Africa.

IF 3.6 Q1 TROPICAL MEDICINE Tropical Medicine and Health Pub Date : 2024-09-20 DOI:10.1186/s41182-024-00632-1
Papa Mouhamadou Gaye, Souleymane Doucouré, Doudou Sow, Cheikh Sokhna, Stéphane Ranque
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Abstract

Background: Freshwater snails are the first obligatory intermediate hosts in the trematode life cycle. Several parasitic diseases transmitted by these snails are endemic in Africa, and their distribution closely follows that of the intermediate hosts. These diseases represent a major public health problem and cause significant socio-economic losses in Africa, particularly schistosomiasis and fascioliasis. In this review, we will describe the main roles of freshwater snails in the life cycle of trematode parasites, and the geographical distribution of these diseases in Africa. We will also discuss the different techniques for detecting parasitic infections in snails, as well as the various methods of controlling snails and the larval stages of parasites.

Methods: We carried out a literature search for articles dealing with parasitic diseases transmitted by freshwater snail hosts in Africa. The search was conducted in databases such as PubMed, Web of Science and Google Scholar using various search terms combined by Boolean operators. Our search was limited to peer-reviewed articles less than 10 years old. Articles published to date in the fields of control of parasitic diseases transmitted by freshwater snails were included. Results were presented in narrative and in table format.

Results: The results of the database search identified 1007 records. We included 84 studies in this review. These studies generally focused on freshwater snails and the diseases they transmit. We described the geographical distribution of 43 freshwater species belonging to nine snail families, as well as the parasites that infect them. Several methods for diagnosing parasites in their snail hosts have been described, including microscopic and molecular methods, as well as antibody and protein barcode-based techniques. Molluscicides have been described as the main strategy for snail control.

Conclusion: This study highlights several elements of knowledge about diseases transmitted by freshwater snails and their distribution. A good understanding of snail infection detection techniques and existing control methods is an essential component in adapting control strategies for these diseases.

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非洲淡水蜗牛寄生虫病。
背景:淡水蜗牛是吸虫生命周期中的第一个强制性中间宿主。由这些蜗牛传播的几种寄生虫病是非洲的地方病,其分布与中间宿主的分布密切相关。这些疾病是一个重大的公共卫生问题,在非洲造成了重大的社会经济损失,尤其是血吸虫病和筋膜炎。在本综述中,我们将介绍淡水蜗牛在吸虫生命周期中的主要作用,以及这些疾病在非洲的地理分布。我们还将讨论检测蜗牛寄生虫感染的不同技术,以及控制蜗牛和寄生虫幼虫阶段的各种方法:我们对有关非洲淡水蜗牛宿主传播寄生虫病的文章进行了文献检索。我们在 PubMed、Web of Science 和 Google Scholar 等数据库中进行了搜索,使用了由布尔运算符组合而成的各种搜索条件。我们的搜索仅限于10年以内的同行评审文章。其中包括迄今为止发表的有关淡水蜗牛传播寄生虫病控制领域的文章。搜索结果以叙述和表格形式呈现:数据库搜索结果共发现 1007 条记录。我们在本综述中纳入了 84 项研究。这些研究通常侧重于淡水蜗牛及其传播的疾病。我们描述了属于九个蜗牛科的 43 种淡水蜗牛的地理分布以及感染它们的寄生虫。我们介绍了几种诊断蜗牛宿主体内寄生虫的方法,包括显微镜和分子方法,以及基于抗体和蛋白质条形码的技术。杀软体动物剂是控制蜗牛的主要策略:本研究强调了有关淡水蜗牛传播疾病及其分布的若干知识要素。充分了解蜗牛感染检测技术和现有的控制方法是调整这些疾病控制策略的重要组成部分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Tropical Medicine and Health
Tropical Medicine and Health TROPICAL MEDICINE-
CiteScore
7.00
自引率
2.20%
发文量
90
审稿时长
11 weeks
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