Liver damage is probably associated with body immunity. HBV mutation maybe play a secondary role in Liver damage.
肝损伤可能主要与机体免疫等相关，HBV变异仅起次要作用。
2
Adopting immunity colloid gold as secondary antibody, the antigen mass was significantly increased and detection signal was further enhanced.
引入胶体金复合抗体作为二次抗体大幅度增加质量，进一步扩大了检测信号。
3
Infection of PRRSV can not only damage the immunity of the swine but also cause secondary affection or complicating disease involved other pathogenic microorganism, which exacerbates the situation.