US-Like Strain of Porcine Epidemic Diarrhea Virus Outbreaks in Taiwan,          2013–2014

Chao-Nan LIN; Wen-Bin CHUNG; Shu-Wei CHANG; Chi-Chi WEN; Hung LIU; Chi-Hsien CHIEN; Ming-Tang CHIOU

doi:10.1292/jvms.14-0098

Virology

US-Like Strain of Porcine Epidemic Diarrhea Virus Outbreaks in Taiwan, 2013–2014

Chao-Nan LIN, Wen-Bin CHUNG, Shu-Wei CHANG, Chi-Chi WEN, Hung LIU, Chi-Hsien CHIEN, Ming-Tang CHIOU

Author information

Chao-Nan LIN
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Veterinary Hospital, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Wen-Bin CHUNG
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Shu-Wei CHANG
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Chi-Chi WEN
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Hung LIU
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Chi-Hsien CHIEN
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Veterinary Hospital, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan
Ming-Tang CHIOU
Department of Veterinary Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung 91201, Taiwan

Keywords: diarrhea, disease outbreaks, porcine epidemic diarrhea virus

JOURNAL FREE ACCESS

2014 Volume 76 Issue 9 Pages 1297-1299

DOI https://doi.org/10.1292/jvms.14-0098

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Abstract

Since late 2013, several outbreaks of porcine epidemic diarrhea virus (PEDV) infection have emerged in Taiwan. Suckling piglets under 2 weeks of age showed severe vomiting and watery yellowish diarrhea with morbidity and mortality ranging from 80 to 100% and 90 to 100%, respectively. A total of 68 samples from 25 pig farms were confirmed as positive for PEDV and negative for rotavirus and transmissible gastroenteritis virus by reverse transcription PCR, and the partial S gene of PEDV was analyzed. Phylogenetic analysis places all 18 Taiwanese PEDV isolates collected during this outbreak in the same clade as the US strains of PEDV. This novel PEDV is prevailing and currently causing severe outbreaks in Taiwan.

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