以毒攻毒 fight [combat] poison with poison; cure a poisoned patient with poison; counteract one toxin [poison] with another; fight fire with fire; like cures like.; remove a boil with some poisonous drug; set a thief [rogue] to catch another thief [rogue]; treat the malignant disease with poisonous agents; use poison as an antidote to [for] poison; ovietan 叫小偷去抓小偷, 这就叫 “以毒攻毒”。 to set a thief to catch a thief, that is what we call “to counteract one toxin with another”
The 100 % immuno - protection against hcv strain f114 , v - jn and v - yc was observed in the experimental piglets that had been vaccinated with hclv strain vaccine by the program above 攻毒试验再一次证实仔猪按此程序2次免疫,于150日龄攻毒时试验组均未发病,保护率100 。