1Allan G,Meehan B, Todd D,et al. Novel porcine circovirusfrom pigs with wasting disease syndrome [J]. Vet Rec? 1998,142:467-468.
2Meehan B M. Isolation and characterization of porcine circovir-us 2 from cases of sow abortion and porcine dermatitis and ne-phropathy syndrome[Jj. Arch Virol,2001,146(4) :835-842.
3Shibahara T?Sato K? Ishikawa Y, et al. Porcine circovirus in-duces B lymphocyte depletion in pigs with wasting disease syn-drome[J]. Med Vet Sci, 2000, 62 ; 1125-1131.
4Ellis J,Krakowka S,Allan G M, et al. The clinical scope ofporcine reproductive and respiratory syndrome virus infectionhas expanded since 1987 ; an alternative perspective [ J]. VetPathol,1999,36:262-265.
5Engle M J,Bush E. Risk factors associated with the diagno-sis of PMWS during a US case investigation pilot project[R].Proceedings of 12th AASV Annum Meeting pre-conferenceseminar : Understanding factors that impact disease expressionand control, 2006 : 39-54.
7Liu J, Chen I. Characterization of a previously unidentified vi-ral protein in porcine circovirus type 2 infected cells and itsrole in virus-induced apoptosis [J]. J Virol, 2005,79 (13):8262-8274.