Zhou Y J,Hao X F,Tian Z J.Highly virulent porcine reproductive and respiratory syndrome virus emerged in China[J].Transbound Emerg Diseases,2008,55 (3-4):152-164.
[2]
Kim D Y,Kaiser T J,Horlen K.Insertion and deletion in a non-essential region of the nonstructural protein 2 (nsp2) of porcine reproductive and respiratory syndrome (PRRS) virus:effects on virulence and immunogenicity[J].Virus Genes,2009,38 (1):118-128.
[3]
Zhou Lei,ZHANG Jia-long,ZENG Jing-wen.The 30-Amino-Acid deletion in the Nsp2 of Highly Pathogenic Porcine Reproductive and Respiratory Syndrome Virus emerging in China is not related to its virulence[J].Journal of Virology,2009(5):5156-5167.
