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Taghipour A, Ghodsian S, Jabbari M, Rajabpour V, Bahadory S, Malih N, Solhjoo K, Zibaei M, Abdoli A. The global epidemiology of Microsporidia infection in birds: A systematic review and meta-analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:2180-2196. [PMID: 37266992 DOI: 10.1080/09603123.2023.2219988] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 05/25/2023] [Indexed: 06/03/2023]
Abstract
This study aimed to assess the global status and genetic diversity of Microsporidia infection in different birds. An online search was conducted in international databases from 1 January 1990 to 30 June 2022. A total of 34 articles (including 37 datasets) were included for the final meta-analysis. The pooled global prevalence of Microsporidia infection in birds was 14.6% (95% CI: 11.6-18.1). The highest prevalence of Microsporidia was found in wild waterfowl which was 54.5% (28.1-78.6). In terms of detection methods, the pooled prevalence was estimated to be 21.2% (95% CI: 12.1-34.4) and 13.4% (95% CI: 10.3-17.3) for using microscopic and molecular detection methods, respectively. Enterocytozoon bieneusi was the most common pathogen (24/31; 77.42% of the studies) according to PCR-based methods, and genotype D was the highest reported genotype (nine studies). In conclusion, designing strategies for the control and prevention of Microsporidia infection in birds should be recommended.
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Affiliation(s)
- Ali Taghipour
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Sahar Ghodsian
- Department of Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Jabbari
- Department of Microbiology, Faculty of Basic Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Vahid Rajabpour
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
- Student Research Committee, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Saeed Bahadory
- Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Narges Malih
- Global Health Research Group, University of the Balearic Islands (UIB), Palma, Spain
- Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kavous Solhjoo
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Parasitology and Mycology, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Mohammad Zibaei
- Department of Parasitology and Mycology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
- Evidence-Based Phytotherapy and Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Amir Abdoli
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Parasitology and Mycology, Jahrom University of Medical Sciences, Jahrom, Iran
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Shabani M, Solhjoo K, Taghipour A, Davami MH, Rahmanian E, Karami S, Nikkhoo AM, Hooshmand F. Occurrence of microsporidia spp. infection in children with diarrhea in southern Iran. J Parasit Dis 2022; 46:1127-1132. [PMID: 36457786 PMCID: PMC9606156 DOI: 10.1007/s12639-022-01535-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/21/2022] [Indexed: 10/10/2022] Open
Abstract
Microsporidia spp. are recognized emerging zoonotic microorganisms in immunocompromised and immunocompetent populations. Therefore, we conducted a study to investigate the occurrence, sociodemographic and risk factors of microsporidia spp. infection using microscopic and molecular techniques in children with diarrhea in Jahrom city (Fars province, southern Iran). Stool samples were gathered from 395 children aged ≤ 14 years between January 2017 and January 2018. Next, a questionnaire includes the age, sex, living area, immune system status, breast milk consumption, contact with animals, and type of water source was completed for all children. For microscopic assessment, modified acid-fast trichrome staining was applied for detection of microsporidia spores. Furthermore, DNA extraction and PCR were accomplished for all samples. A total of 15 (3.79%; 95% confidence interval [CI] 2.14-6.19) and 8 (2.02%; 95% CI 0.88-3.95) samples were positive for microsporidia infection by microscopic and molecular techniques, respectively. Although none of the sociodemographic and risk factors were significant (p value > 0.05), the prevalence of this infection was higher in some variables (e.g., rurality, contact with animals and well water consumption). Three random samples were sequenced that all isolates belonged to Enterocytozoon bieneusi. Cognizance of microsporidia occurrence, risk factors, and disease disorders for the health specialists, physicians, children's families are important for appropriately control the infection.
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Affiliation(s)
- Manoochehr Shabani
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Kavous Solhjoo
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Ali Taghipour
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Mohammad Hasan Davami
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Ehsan Rahmanian
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Saina Karami
- Department of Parasitology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Farhang Hooshmand
- Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran
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Ruan Y, Xu X, He Q, Li L, Guo J, Bao J, Pan G, Li T, Zhou Z. The largest meta-analysis on the global prevalence of microsporidia in mammals, avian and water provides insights into the epidemic features of these ubiquitous pathogens. Parasit Vectors 2021; 14:186. [PMID: 33794979 PMCID: PMC8017775 DOI: 10.1186/s13071-021-04700-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 03/22/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Microsporidia are obligate intracellular parasites that can infect nearly all invertebrates and vertebrates, posing a threat to public health and causing large economic losses to animal industries such as those of honeybees, silkworms and shrimp. However, the global epidemiology of these pathogens is far from illuminated. METHODS Publications on microsporidian infections were obtained from PubMed, Science Direct and Web of Science and filtered according to the Newcastle-Ottawa Quality Assessment Scale. Infection data about pathogens, hosts, geography and sampling dates were manually retrieved from the publications and screened for high quality. Prevalence rates and risk factors for different pathogens and hosts were analyzed by conducting a meta-analysis. The geographic distribution and seasonal prevalence of microsporidian infections were drawn and summarized according to sampling locations and date, respectively. RESULTS Altogether, 287 out of 4129 publications up to 31 January 2020 were obtained and met the requirements, from which 385 epidemiological data records were retrieved and effective. The overall prevalence rates in humans, pigs, dogs, cats, cattle, sheep, nonhuman primates and fowl were 10.2% [2429/30,354; 95% confidence interval (CI) 9.2-11.2%], 39.3% (2709/5105; 95% CI 28.5-50.1%), 8.8% (228/2890; 95% CI 5.1-10.1%), 8.1% (112/1226; 95% CI 5.5-10.8%), 16.6% (2216/12,175; 95% CI 13.5-19.8%), 24.9% (1142/5967; 95% CI 18.6-31.1%), 18.5% (1388/7009; 95% CI 13.1-23.8%) and 7.8% (725/9243; 95% CI 6.4-9.2%), respectively. The higher prevalence in pigs suggests that routine detection of microsporidia in animals should be given more attention, considering their potential roles in zoonotic disease. The highest rate was detected in water, 58.5% (869/1351; 95% CI 41.6-75.5%), indicating that water is an important source of infections. Univariate regression analysis showed that CD4+ T cell counts and the living environment are significant risk factors for humans and nonhuman primates, respectively. Geographically, microsporidia have been widely found in 92 countries, among which Northern Europe and South Africa have the highest prevalence. In terms of seasonality, the most prevalent taxa, Enterocytozoon bieneusi and Encephalitozoon, display different prevalence trends, but no significant difference between seasons was observed. In addition to having a high prevalence, microsporidia are extremely divergent because 728 genotypes have been identified in 7 species. Although less investigated, microsporidia coinfections are more common with human immunodeficiency virus and Cryptosporidium than with other pathogens. CONCLUSIONS This study provides the largest-scale meta-analysis to date on microsporidia prevalence in mammals, birds and water worldwide. The results suggest that microsporidia are highly divergent, widespread and prevalent in some animals and water and should be further investigated to better understand their epidemic features.
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Affiliation(s)
- Yingfei Ruan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Xiaofei Xu
- College of Computer and Information Science, Southwest University, Chongqing, 400715 China
| | - Qiang He
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Li Li
- College of Computer and Information Science, Southwest University, Chongqing, 400715 China
| | - Junrui Guo
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Jialing Bao
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Guoqing Pan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Tian Li
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
| | - Zeyang Zhou
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400715 China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, 400715 China
- College of Life Science, Chongqing Normal University, Chongqing, 400047 China
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Ruviniyia K, Abdullah DA, Sumita S, Lim YAL, Ooi PT, Sharma RSK. Molecular detection of porcine Enterocytozoon bieneusi infection in Peninsular Malaysia and epidemiological risk factors associated with potentially zoonotic genotypes. Parasitol Res 2020; 119:1663-1674. [PMID: 32219552 DOI: 10.1007/s00436-020-06648-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 03/04/2020] [Indexed: 10/24/2022]
Abstract
Enterocytozoon bieneusi is an emerging opportunistic pathogen infecting humans, and both domestic and wild pigs are known to harbour zoonotic genotypes. There remains a paucity of information on the prevalence and epidemiology of this enteropathogen in Southeast Asia. The present study was undertaken to determine the molecular prevalence and risk factors associated with E. bieneusi infection among commercially farmed pigs in Malaysia. Faecal samples were collected from 450 pigs from 15 different farms and subjected to nested PCR amplification of the ribosomal internal transcribed spacer (ITS) gene of E. bieneusi. Phylogenetic analysis involved 28 nucleotide sequences of the ITS region of E. bieneusi. An interviewer-administered questionnaire provided information on the animal hosts, farm management systems and environmental factors and was statistically analysed to determine the risk factors for infection. The prevalence of E. bieneusi infection was relatively high (40.7%). The highest prevalence (51.3%) was recorded among the piglets, while the adults showed the lowest level of infection (31.3%). Multivariate analysis indicated that age of the pigs, distance of the farm from human settlement and farm management system were significant risk factors of infection. Three genotypes (EbpA, EbpC and Henan-III) detected among the pigs are potentially zoonotic. The high prevalence of E. bieneusi among locally reared pigs, the presence of zoonotic genotypes and the spatial distribution of pig farms and human settlements warrant further investigation on the possibility of zoonotic transmission.
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Affiliation(s)
- K Ruviniyia
- Department of Veterinary Laboratory Diagnostics, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - D A Abdullah
- Department of Veterinary Laboratory Diagnostics, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.,Department of Animal Production Techniques, Northern Technical University, Mosul, Iraq
| | - S Sumita
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Y A L Lim
- Department of Parasitology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - P T Ooi
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - R S K Sharma
- Department of Veterinary Laboratory Diagnostics, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
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Zhang N, Wu R, Ji T, Cui LL, Cao HX, Li D, Li J, Zhang L, Huang C, Zhou DH. Molecular Detection, Multilocus Genotyping, and Population Genetics of Enterocytozoon bieneusi in Pigs in Southeastern China. J Eukaryot Microbiol 2019; 67:107-114. [PMID: 31486160 DOI: 10.1111/jeu.12759] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 08/20/2019] [Accepted: 08/22/2019] [Indexed: 11/29/2022]
Abstract
Enterocytozoon bieneusi is an important opportunistic pathogen widely distributed in humans and animals that causes diarrhea or fatal diarrhea in immunocompromised hosts. To examine the infection status and molecular characteristics of E. bieneusi in pigs, 725 fecal samples were collected from pigs in six areas of Fujian Province. The E. bieneusi genotypes were identified based on the internal transcribed spacer (ITS) regions of the ribosomal RNA (rRNA) gene by nested PCR, and its population genetics were analyzed by multilocus sequence typing (MLST). The results showed that the infection rate of E. bieneusi was 24.4% (177/725), and 11 known genotypes (EbpC, EbpA, CHN-RR2, KIN-1, CHG7, CHS5, CM11, CHG23, G, PigEBITS, and D) and 2 novel genotypes (FJF and FJS) were identified. All the genotypes were found to be clustered into zoonotic Group 1. Moreover, 52 positive samples were successfully amplified at minisatellite and microsatellite loci and formed 48 distinct multilocus genotypes (MLGs). Further population structure analyses showed strong genetic linkage disequilibrium (LD) and several recombination events (Rm), indicating that E. bieneusi has a clonal population structure. This study is the first to investigate the prevalence and molecular characteristics of E. bieneusi in Fujian Province and could provide baseline data to control E. bieneusi infection in pigs and humans and deepen our understanding of the zoonotic risk of E. bieneusi and its distribution in China.
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Affiliation(s)
- Ning Zhang
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.,Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan, 364012, China
| | - Ran Wu
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ting Ji
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lin-Lin Cui
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Hao-Xuan Cao
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Dongfang Li
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Junqiang Li
- Scientific Research Experiment Center & Laboratory Animal Center, Henan University of Chinese Medicine, Zhengzhou, 450000, China
| | - Longxian Zhang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Cuiqin Huang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan, 364012, China
| | - Dong-Hui Zhou
- Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
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Multimethodological Approach to Gastrointestinal Microsporidiosis in HIV-Infected Patients. Acta Parasitol 2019; 64:658-669. [PMID: 31286356 DOI: 10.2478/s11686-019-00095-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 06/14/2019] [Indexed: 12/24/2022]
Abstract
PURPOSE Microsporidiosis is an opportunistic infection that produces chronic diarrhoea and cholangiopathy in patients with AIDS, mainly caused by two species of microsporidia, Enterocytozoon bieneusi and Encephalitozon intestinalis. The aim of this work was to develop an integral system for the diagnosis of microsporidiosis of the intestine and biliary tract in HIV-infected patients, comprising microscopic and molecular techniques. METHODS The study population comprised 143 adult patients of both sexes with diagnosis of HIV infection, with chronic diarrhoea, and with or without HIV-associated cholangiopathy. Stool studies for microsporidia identification of spores were performed on each patient. A video esofagogastroduodenoscopy with biopsy collection was also carried out for routine histology and semi-thin sections stained with Azure II. Species identification was carried out by transmission electron microscopy and/or polymerase chain reaction for the species E. bieneusi and E. intestinalis. RESULTS Out of the 143 patients a total of 12.6% (n = 18) were infected with microsporidia. Microsporidia species identified in most cases was E. bieneusi (16/18 cases), followed by E. intestinalis (4/18), all of these last ones in coinfection with E. bieneusi. CONCLUSIONS Clinical, imaging, microscopic and molecular analyses, when applied in a systematic and integrated approach, allow diagnosis and identification of microsporidia at species level in AIDS patients with chronic diarrhoea, and with or without HIV-associated cholangiopathy.
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Amer S, Kim S, Han JI, Na KJ. Prevalence and genotypes of Enterocytozoon bieneusi in wildlife in Korea: a public health concern. Parasit Vectors 2019; 12:160. [PMID: 30961667 PMCID: PMC6454782 DOI: 10.1186/s13071-019-3427-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 04/02/2019] [Indexed: 11/16/2022] Open
Abstract
Background Enterocytozoon bieneusi is a unicellular microsporidian fungal pathogen that infects a broad range of animal hosts, including wild and domestic animals and humans. The infection burden of this parasite in wild animals in Korea is largely unknown. In this study, the occurrence and genotypes of E. bieneusi were investigated in wild animal populations in Korea. Methods A total of 157 fecal samples (97 from Korean water deer, 48 from raccoon dogs and 12 from other taxa) were collected from wild animals at five wildlife centers in Korea. Genomic DNA was extracted from the samples and screened by nested-PCR targeting the internal transcribed spacer (ITS) region of rRNA, followed by sequence analysis to determine the genotype(s) of E. bieneusi. Results The overall prevalence of E. bieneusi was 45.2% (71/157), with rates of 53.6% (52/97) in Korean water deer, 35.4% (17/48) in raccoon dogs and 16.7% (2/12) in other taxa. We detected seven ITS genotypes, including one known (genotype D) and six new genotypes (Korea-WL1–Korea-WL6). Phylogenetically, all detected genotypes clustered with counterparts belonging to group 1, which includes isolates from different animal hosts and humans, suggesting their zoonotic potential. Conclusions Our survey results indicate that E. bieneusi circulates widely in wild animals in Korea. These findings address the role of wildlife as a potential source of microsporidiosis in domestic animals and humans.
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Affiliation(s)
- Said Amer
- Laboratory of Veterinary Laboratory Medicine and Wildlife Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea.,Department of Zoology, Faculty of Science, Kafr El Sheikh University, Kafr El Sheikh, 33516, Egypt
| | - Sungryong Kim
- Laboratory of Veterinary Laboratory Medicine and Wildlife Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Jae-Ik Han
- Laboratory of Wildlife Medicine/Diseases, College of Veterinary Medicine, Chonbuk National University, Iksan, Jeonbuk, 54596, Republic of Korea
| | - Ki-Jeong Na
- Laboratory of Veterinary Laboratory Medicine and Wildlife Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea. .,The Wildlife Center of Chungbuk, Cheongju, Chungbuk, 28116, Republic of Korea.
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