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Article Abstract
spp. and are two well-known protist pathogens which can result in diarrhea in humans and animals. The two parasites have been detected in humans and dogs worldwide with diverse species and genotypes of various levels and zoonotic potential and public health concern. This investigation aimed to determine the prevalence and molecular characteristics of spp. and in humans and dogs in Fujian province, China. A total of 1149 fecal samples (643 from humans and 506 from dogs) were collected from nine districts in Fujian Province. Detection of was performed using nested PCR targeting the gene, while was detected by amplification three genes including the beta-giardin, glutamate dehydrogenase, and triosephosphate isomerase. No or were detected in any of the human samples tested. In contrast, the prevalence of in dog samples was found to be 1.2 % (6/506), while the infection rate of was detected in 0.4 % (2/506) of the dog samples. According to the age analysis, all samples infected with 2.2 % (6/268) and 0.8 % (2/268) were from dogs ≤1 year. Sex-based analysis indicated that the infection rate of was slightly higher in male dogs (1.2 %, 3/248) compared to female dogs (1.2 %, 3/258). Additionally, was detected in 0.8 % (2/248) of male dogs, while no positive samples were observed in female dogs. Phylogenetic analyses further identified , a zoonotic species of , as well as two zoonotic assemblages (C and D) of . These results provide preliminary reference data for monitoring and infections in both humans and dogs, and also offer essential support for future prospective studies.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12319552 | PMC |
| http://dx.doi.org/10.1016/j.fawpar.2025.e00278 | DOI Listing |
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