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Age-specific Prevalence of Porcine Reproductive and Respiratory Syndrome Virus, Porcine Circovirus Type 2, and Mycoplasma hyopneumoniae in Korea Pig Farms

Kang I, Ham H

Porcine respiratory disease complex (PRDC) continues to be a significant economic problem to the swine industry. Porcine circovirus type 2 (PCV2), porcine reproductive and respiratory syndrome virus (PRRSV), and Mycoplasma...
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Evaluation of the efficacy of an attenuated live vaccine based on virulent porcine reproductive and respiratory syndrome virus 2 in young pigs

Lee SC, Noh YH, Lee S, Choi HW, Yoon IJ, Kang SY, Lee C

The efficacy of the CA-2-MP120 vaccine, a cell culture-attenuated strain of virulent porcine reproductive and respiratory syndrome virus (PRRSV), was assessed in pigs. Despite the persistence of viremia in all...
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Phenotypic and genotypic analyses of an attenuated porcine reproductive and respiratory syndrome virus strain after serial passages in cultured porcine alveolar macrophages

Lee SC, Lee S, Yoo GW, Choi HW, Noh YH, Park CE, Shin JH, Yoon IJ, Kang SY, Lee C

The porcine reproductive and respiratory syndrome virus (PRRSV) is a globally ubiquitous swine viral pathogen that causes major economic losses worldwide. We previously reported an over-attenuated phenotype of cell-adapted PRRSV...
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Genomic characterization and pathogenic study of two porcine reproductive and respiratory syndrome viruses with different virulence in Fujian, China

Sui X, Xin T, Guo X, Jia H, Li M, Gao X, Wu J, Jiang Y, Willems L, Zhu H, Hou S

Two strains of porcine reproductive and respiratory syndrome virus (PRRSV) were isolated in 2006 and 2016 and designated as FZ06A and FZ16A, respectively. Inoculation experiments showed that FZ06A caused 100%...
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Preliminary assessment of correlation between T-lymphocyte responses and control of porcine reproductive and respiratory syndrome virus (PRRSV) in piglets born after in-utero infection of a type 2 PRRSV

Cha SH, Bandaranayaka-Mudiyanselage C, Bandaranayaka-Mudiyanselage CB, Ajiththos , Yoon KJ, Gibson KA, Yu JE, Cho IS, Lee SS, Chung CJ

A preliminary study into the protective mechanisms of adaptive immunity against porcine reproductive and respiratory syndrome virus (PRRSV) in piglets (n = 9) born to a gilt challenged intranasally with...
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A new recombined porcine reproductive and respiratory syndrome virus virulent strain in China

Dong JG, Yu LY, Wang PP, Zhang LY, Liu YL, Liang PS, Song CX

Porcine reproductive and respiratory syndrome (PRRS) is one of the most important swine diseases worldwide. In the present study, a new virulent strain of PRRS virus (PRRSV), GDsg, was isolated...
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Porcine ear necrosis syndrome by coinfection of porcine reproductive and respiratory syndrome virus and Staphylococcus hyicus

Lee S, Jung JY, Kim SH, Kim JW, Park JW, Kang DY, Her JW, Jeong YJ, So BJ, Yoon SS

Porcine ear necrosis syndrome is characterized by erosive and ulcerative lesions at the margin or tip of the pinna. Three growing pigs of different ages exhibited retarded growth accompanied by...
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Augmented immune responses in pigs immunized with an inactivated porcine reproductive and respiratory syndrome virus containing the deglycosylated glycoprotein 5 under field conditions

Lee JA, Lee NH, Lee JB, Park SY, Song CS, Choi IS, Lee SW

PURPOSE: Porcine reproductive and respiratory syndrome virus (PRRSV) leads to major economic losses in the swine industry. Vaccination is the most effective method to control the disease by PRRSV. MATERIALS AND...
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Porcine reproductive and respiratory syndrome virus vaccine does not fit in classical vaccinology

Lyoo YS

All vaccines are developed to elicit an effective immune response in vaccinated animals such as innate, humoral and cell mediated response to protect animal health. Quality and intensity of the...
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Development of porcine respiratory and reproductive syndrome virus replicon vector for foot-and-mouth disease vaccine

Jeeva S, Lee JA, Park SY, Song CS, Choi IS, Lee JB

PURPOSE: Foot-and-mouth disease (FMD) is an economically important global animal disease. To control FMD virus (FMDV) outbreaks, a lot of different novel approaches have been attempted. In this study, we...
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Pathologic studies in lymph nodes of pigs infected with porcine circovirus type 2, porcine reproductive and respiratory syndrome virus

Jung JY, Kim JH

  • KMID: 1790572
  • Korean J Vet Res.
  • 2013 Dec;53(4):245-251.
Porcine circovirus type 2 (PCV2) and porcine reproductive and respiratory syndrome virus (PRRSV) have been suspected to have immunosuppressive effects on pigs. To investigate the correlation between these virus infection...
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5' and 3' cis-Acting RNA Elements Required for RNA Replication of Porcine Reproductive and Respiratory Syndrome Virus

Kang SY, Choi YJ, Yun SI, Song BH, Lee YM

Porcine reproductive and respiratory syndrome virus (PRRSV), a member of the genus Arterivirus in the family Arteriviridae, is the most important viral pathogens in swine industry worldwide. Here, we have...
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Complete Nucleotide Sequence of Genomic RNA of a Large-Plaque Forming Porcine Reproductive and Respiratory Syndrome Virus PL97-1/LP1

Lee YM

Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the most important animal pathogens in swine industry worldwide. In this study, we isolated the large-plaque forming variant virus designated...
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Expression, Purification and Antiserum Production of the Porcine Reproductive and Respiratory Syndrome Virus Nsp1a Protein

Lee YM

  • KMID: 1574171
  • J Bacteriol Virol.
  • 2005 Sep;35(3):257-264.
Porcine reproductive and respiratory syndrome virus (PRRSV) has become one of the most common and economically significant infectious agents in the swine industry worldwide. The virus causes mild to severe...
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