Blastocystis infection in Egypt:An update in cattle from Dakahlia governorate and data meta-analysis | ||||
| Egyptian Veterinary Medical Society of Parasitology Journal (EVMSPJ) | ||||
| Volume 20, Issue 1, 2024, Page 113-132 PDF (1.4 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/evmspj.2024.385308 | ||||
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| Author | ||||
| Somaya S. Elsaied | ||||
| Departement of Parasitology,Faculty of Veterinary Medicine,Mansoura University. | ||||
| Abstract | ||||
| Blastocystis sp. is the most prevalent protozoan parasite in humans and affects a broad range of animals. Blastocystis infections are prevalent in humans in Egypt however, there is limited information available on animals. The current study aimed at updating the prevalence in cattle and assessing the prevalence and distribution of Blastocystis sp. infections and subtypes in different hosts in Egypt. Faecal samples were collected from 100 cattle as well as faecal contents of intestines of 50 ducks and 90 domestic pigeons. Samples were examined using SSU rRNA gene PCR and sequencing. Studies conducted on humans, domestic animals, and birds in Egypt were reviewed and the random effects models was used to determine the pooled prevalence of infection in humans based on diagnostic methods. One cattle faecal sample was positive (1%), while none of examined pigeons or ducks were infected. ST3 was the identified subtype in the positive isolate which is phylogenetically related to other isolates from humans and animals from different countries. A total of 26 studies on human Blastocystis infections in Egypt were used for meta-analysis, resulting in a pooled prevalence of 67.9 %, 47.3%, and 33.3%, based on PCR, culture, and microscopy, respectively. On contrary, limited studies (n = 7) were conducted on diverse animal species. The reported subtypes in humans in Egypt were ST1 - ST4, ST7, ST10, and ST14. Likewise, ST1 – ST7, ST10, and ST14 were reported in animals, and ST2 in water samples from Egypt. This study emphasizes the importance of addressing Blastocystis infections in Egypt from a public health and zoonotic perspective in terms of proper diagnosis and control by providing essential data on infections in humans and animals based on current and published data. | ||||
| Keywords | ||||
| Blastocystis; Subtypes; Prevalence; Cattle; Pigeons; Ducks; Egypt | ||||
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