virus N病毒N, 禽流感正粘病毒A型virusn.病毒；病原体virus-free seed microtuber试管种薯viruses of human hepatitis B人乙型肝炎病毒virus induced gene silencing病毒诱导的基因沉默viruses of human hepatitis C人丙型肝炎病毒virus mediated gene transfer病毒介导基因转移virus specific tumor antigen病毒特异性肿瘤抗原virus-parasitoid symbiosis病毒与寄生蜂共生现象Virus-like particle vaccine病毒样颗粒疫苗virus - preventing measures防治措施virus induced necrotic region病毒引起的坏死病灶