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Archives of Virology

, Volume 163, Issue 11, pp 3113–3117 | Cite as

Detection, sequence analysis, and antibody prevalence of porcine deltacoronavirus in Taiwan

  • Tien-Huan Hsu
  • Hao-Ping Liu
  • Chieh-Yu Chin
  • Chinling Wang
  • Wan-Zhen Zhu
  • Bing-Lin Wu
  • Yu-Chung Chang
Brief Report

Abstract

Porcine deltacoronavirus (PDCoV) was initially documented in Hong Kong and later in the United States, South Korea, and Thailand. To investigate if PDCoV is also present in Taiwan, three swine coronaviruses—PDCoV, porcine epidemic diarrhea virus (PEDV), and transmissible gastroenteritis coronavirus (TGEV)—were tested using real-time reverse transcription polymerase chain reaction (rRT-PCR) in 172 rectal swab samples from piglets exhibiting diarrhea between January 2016 and May 2017 on 68 pig farms in Taiwan. The rRT-PCR results were positive for PDCoV (29/172, 16.9%), PEDV (36/172, 20.9%), TGEV (2/172, 1.2%), and coinfections (16/172, 9.3%). After cloning and sequencing, PDCoV nucleocapsid genes were analyzed. Phylogeny results indicated that the nucleotide sequences of all isolates were like those reported in other countries. To further trace PDCoV in the period of 2011 to 2015, an enzyme-linked immunosorbent assay (ELISA) was used to detect antibodies against PDCoV. The results showed that 279 of 1,039 (26.9%) sera were positive for the PDCoV nucleocapsid protein, implying that PDCoV might have existed in Taiwan before 2011.

Notes

Acknowledgements

This study was supported by Grants 105AS-10.1.2-BQ-B1 and 106AS-9.1.2-BQ-B1 from the Bureau of Animal and Plant Health Inspection and Quarantine (BAPHIQ, Taiwan).

Compliance with ethical standards

Funding

This study was supported by Grants 105AS-10.1.2-BQ-B1 and 106AS-9.1.2-BQ-B1 from the Bureau of Animal and Plant Health Inspection and Quarantine (BAPHIQ), Council of Agriculture in Taiwan.

Conflict of interest

Tien-Huan Hsu has received grants from the Bureau of Animal and Plant Health Inspection and Quarantine. All authors declare no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors. Rectal swabs were collected from clinically diarrheic piglets in pig farms in Taiwan, while swine sera were obtained from the Animal Disease Control Centers of various counties and the Animal Technology Institute Taiwan.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Veterinary Medicine, College of Veterinary MedicineNational Chung-Hsing UniversityTaichungTaiwan ROC
  2. 2.Department of Basic Sciences, College of Veterinary MedicineMississippi State UniversityStarkvilleUSA
  3. 3.Department of Biotechnology, School of Health TechnologyMing Chuan UniversityTaoyuan CityTaiwan ROC

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