PubMedCrossRef 23. Mengeling WL, Lager KM, Vorwald AC: Clinical consequences of exposing pregnant gilts to strains of porcine reproductive and respiratory syndrome (PRRS) virus isolated from field cases of “”atypical”" PRRS. Am J Vet Res 1998, 59:1540–1544.PubMed 24. Meng XJ, Paul PS, Halbur PG: Molecular cloning and nucleotide sequencing of the 3′-terminal genomic RNA of porcine reproductive and respiratory syndrome virus. J Gen Virol 1994, 75:1795–1801.PubMedCrossRef

25. Meng XJ, Paul PS, Morozov I, Halbur PG: A nested set of six or seven subgenomic mRNAs is formed in cells infected with different isolates of porcine reproductive and respiratory syndrome virus. J Gen Virol 1996, 77:1265–1270.PubMedCrossRef 26. Key KF, Haqshenas G, Guenette DK, Swenson SL, Toth TE, Meng XJ: Genetic variation and phylogenetic analyses of the ORF5 Selleck Deforolimus gene of acute porcine reproductive and respiratory syndrome virus www.selleckchem.com/products/17-AAG(Geldanamycin).html isolates. Vet Microbiol 2001, 83:249–263.PubMedCrossRef 27. Meng XJ: Heterogeneity of porcine reproductive and respiratory syndrome virus: implications for current vaccine efficacy and future vaccine development. Vet Microbiol 2000, 74:309–329.PubMedCrossRef 28. Torrison JL, Knoll M, Wiseman B: Evidence of pig-to-pig

transmission of a modified live vaccine. Proceedings of the 27th Annual Meeting of the American Association of Swine Practitioners, Nashville, Tenn. American Society of Swine Veterinarians, Perry, Iowa 1996, 89–91. 29. Zhou L, Chen SX, Zhang JL, Zeng JW, Guo X, Ge XN, Zhang DB, Yang HC: Molecular variation analysis of porcine reproductive and respiratory syndrome virus in China. Virus Res 2009,145(1):97–105.PubMedCrossRef 30. Tian KG, Yu XL, Zhao TZ, Feng YJ, Cao Z1, Wang CB, Hu Y, Chen XZ, Hu DM, Flucloronide Tian XS, Liu D, Zhang S, Deng XY, Ding YQ, Yang L, Zhang YX, Xiao HX, Qiao MM, Wang B, Hou LL, Wang XY, Yang XY, Kang LP, Sun M, Jin P, Wang SJ, Kitamura Y, Yan JH, Gao GF: Emergence of fatal PRRSV variants: unparalleled outbreaks of atypical PRRS in China and molecular dissection of the unique hallmark. PLoS ONE 2007, 2:e526.PubMedCrossRef 31. Feng YJ, Zhao TZ, Nguyen T, Inui K, Ma Y, Nguyen TH, Nguyen VC, Liu D, Bui QA, Thanh TL, Wang CB, Tian KG,

Gao GF: Porcine respiratory and reproductive syndrome virus variants, Vietnam and China, 2007. Emerg Infect Dis 2008, 14:1774–1776.PubMedCrossRef 32. Snijder EJ, Meulenberg JM: Arteriviruses in Fields Virology. Volume 1. 4th edition. Edited by: Kniper D, et al. LippincottWilliams and Wilkins, Philadelphia; 2001:1205–1220. 33. Marcelo de L, Asit KP, Eduardo FF, Fernando AO: Serologic marker candidates identified among B-cell linear epitopes of Nsp2 and structural proteins of a North American strain of porcine reproductive and respiratory syndrome virus. Virology 2006, 353:410–421.CrossRef 34. Zhou YJ, An TQ, He YX, Liu JX, Qiu HJ, Wang YF, Tong G: Antigenic structure analysis of glycosylated protein 3 of porcine reproductive and respiratory syndrome virus. Virus Res 2006, 118:98–104.