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Evidence of vertical transmission of Senecavirus A in naturally infected sows [PDF]

Virology
Senecavirus A (SVA) is a Picornaviridae RNA virus that causes vesicular disease (VD) and transitory neonatal losses in pigs. The major ways SVA is spread are by oral, nasal, and feces. Vertical transmission of SVA was investigated during a VD epidemic in a farrow-to-finish herd in Brazil.
Rejane Schaefer, Danielle Gava, Gabrielly E. Bombassaro, Vanessa Haach, Shaiana S. Maciag, Ana Paula Bastos   +5 more
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Comparison of historical and contemporary isolates of Senecavirus A

Veterinary Microbiology, 2021
Senecavirus A (SVA) was discovered as a cell culture contaminant in 2002, and multiple attempts to experimentally reproduce disease were unsuccessful. Field reports of porcine idiopathic vesicular disease (PIVD) cases testing PCR positive for SVA in addition to outbreaks of PIVD in Brazil and the United States in 2015 suggested SVA was a causative ...
Alexandra C, Buckley, David D, Michael, Kay S, Faaberg, Baoqing, Guo, Kyoung-Jin, Yoon, Kelly M, Lager   +5 more
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Persistence and shedding of senecavirus A in naturally infected boars

Journal of Veterinary Diagnostic Investigation, 2022
Senecavirus A (SVA) infection in pigs causes vesicular disease and results in a short viremia and transient shedding of the virus, mainly in oral fluids and feces. Here we describe the consistent prolonged shedding of SVA in the semen of 2 boars, and persistence of SVA within the tonsils and testes of 3 adult boars.
Matthew J. Sturos, Deborah Murray, Levi Johnson, Guilherme Preis, Cesar A. Corzo, Stephanie Rossow, Fabio A. Vannucci   +6 more
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Emergence and whole-genome sequence of Senecavirus A in Colombia

Transboundary and Emerging Diseases, 2017
In 2015 and 2016, Senecavirus A (SVA) emerged as an infectious disease in Brazil, China and the United States (US). In a Colombian commercial swine farm, vesicles on the snout and coronary bands were reported and tested negative for foot-and-mouth disease virus (FMDv), but positive for SVA. The whole-genome phylogenetic analysis indicates the Colombian
D, Sun, F, Vannucci, T P, Knutson, C, Corzo, D G, Marthaler   +4 more
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Senecavirus A.

Veterinary pathology, 2017
Senecavirus A (SVA) is the only member of the genus Senecavirus within the family Picornaviridae. This virus was discovered as a serendipitous finding in 2002 (and named Seneca Valley virus 001 [SVV-001]) while cultivating viral vectors in cell culture and has been proposed for use as an oncolytic virus to treat different types of human neoplasia.
J, Segalés, D, Barcellos, A, Alfieri, E, Burrough, D, Marthaler   +4 more
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Complete genome and pathogenesis of a novel recombinant Senecavirus A isolate in P.R. China

Journal of General Virology, 2022
Senecavirus A (SVA), formerly called Seneca Valley virus (SVV) was first isolated from the USA in 2002. This study isolated an SVA strain from a pig herd in Shandong Province, PR China and designated it SVA-CH-SDGT-2017. The full-length genome, excluding the poly(A) tails of the SVA isolates, was 7280 nucleotides long, with the genomic organization ...
Chen, Li, Xiaoyan, Wu, Xiaoli, Wang, Jianli, Shi, Chang, Liu, Zhe, Peng, Hong, Han, Shaojian, Xu, Shuo, Wang, Yingru, Ma, Limei, Zheng, Nataliia, Hrabchenko, Jun, Li   +12 more
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Pathogenesis of a senecavirus a isolate from swine in shandong Province, China

Veterinary Microbiology, 2020
Senecavirus A (SVA), previously called Seneca Valley virus, can cause vesicular lesions in sows and a sharp decline in neonatal piglet production. In this study, a SVA strain was isolated from a pig herd in Shandong Province in China and identified as SVV-CH-SD.
Juan, Bai, Hui, Fan, Erxuan, Zhou, Liang, Li, Shihai, Li, Junfang, Yan, Ping, Jiang   +6 more
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Development and evaluation of a nested-PCR assay for Senecavirus A diagnosis

Tropical Animal Health and Production, 2017
Senecavirus A (SVA) has been associated with vesicular disease in weaned and adult pigs and with high mortality of newborn piglets. This study aimed to establish a nested-PCR assay for the routine diagnosis of SVA infection. Tissue samples (n = 177) were collected from 37 piglets of 18 pig farms located in four different Brazilian states.
Cesar, Feronato, Raquel A, Leme, Jaqueline A, Diniz, Alais Maria Dall, Agnol, Alice F, Alfieri, Amauri A, Alfieri   +5 more
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Phylogenetic and genome analysis of seven senecavirus A isolates in China

Transboundary and Emerging Diseases, 2017
Senecavirus A (SVA) is the only member of genus Senecavirus that causes vesicular lesions in pigs. We have characterized seven SVA isolates from different swine farms in Guangdong, China. The most variable isolate, CH-DL-01-2016, contained a single amino acid insertion at position 219-220 and a 16 amino acid insertion at position 250-251.
X. Zhao, Q. Wu, Y. Bai, G. Chen, L. Zhou, Z. Wu, Y. Li, W. Zhou, H. Yang, J. Ma   +9 more
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