肠道寄生虫囊胚。是人类和各种动物宿主中广泛分布的原生生物,在发展中国家的患病率很高。由于其亚型(STs)的人畜共患性质,我们的目标是对患病率进行全球估计,ST分布,人畜共患潜力,及相关危险因素。家猪(Susdomesticus)和野猪/野猪(Susscrofa)的感染。这项研究是在2021年设计和进行的,通过在PubMed中搜索文章,Scopus,谷歌学者,和WebofScience数据库,根据PRISMA清单,荟萃分析使用随机效应模型计算加权估计值和95%置信区间(95%CIs).完全正确,43篇论文(47个数据集)报告了24个国家的7977头猪的数据,总患病率为50.9%(95%CI:42.8-59%)。在细节上,家猪的患病率[52.4%(95%CI:43.9-60.7%)]高于野猪[31.2%(95%CI:11.2-62%)],但就CI的大部分重叠而言,统计上的支持很低。在28个报告的STs中,9(ST1-ST7,ST10和ST15)来自家猪,从野猪中分离出六个(ST1,ST3-ST5,ST8和ST15)。在9个人畜共患STs(ST1-ST8和ST12)中,所有这些都是在检查的猪种群中确定的,除了ST12。同样,ST1和ST5可能是这些动物中最频繁循环的STs。此外,雄性和老年猪表现出较高的囊胚。感染。总之,囊胚病流行病学及其相关STs在猪中的分布仍有待商榷,需要更广泛的研究,特别是在世界上被忽视的地区。
The intestinal parasite Blastocystis sp. is a widely distributed protist among humans and various animal hosts, with significant prevalence in developing countries. Due to the zoonotic nature of its subtypes (STs), we aimed at global estimation of the prevalence, STs distribution, zoonotic potential, and associated risk factors of Blastocystis sp. infection in domestic pigs (Sus domesticus) and wild pigs/wild boars (Sus scrofa). The study was designed and conducted in 2021 via searching articles in PubMed, Scopus, Google Scholar, and Web of Science databases, based on the PRISMA checklist, and meta-analysis was done using a random-effects model to calculate the weighted estimates and 95% confidence intervals (95% CIs). Totally, 43 papers (47 datasets) reported data on 7977 examined pigs in 24 countries with a total prevalence of 50.9% (95% CI: 42.8-59%). In details, prevalence was higher among domestic pigs [52.4% (95% CI: 43.9-60.7%)] than wild boars [31.2% (95% CI: 11.2-62%)], but is poorly statistically supported as far as the CIs largely overlap. Out of 28 reported STs, nine (ST1-ST7, ST10, and ST15) were reported from domestic pigs, while six (ST1, ST3-ST5, ST8, and ST15) had been isolated from wild boars. Among nine zoonotic STs (ST1-ST8, and ST12), all were identified in examined swine populations, except for ST12. As well, ST1 and ST5 were probably the most frequently circulating STs among these animals. In addition, male and older pigs showed higher Blastocystis sp. infection. Altogether, Blastocystis epidemiology and the distribution of its related STs in pigs is still open to question and requires more extensive studies, especially in the neglected regions of the world.