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病毒是专性细胞内寄生物,目前认为病毒感染是指病毒被宿主的易感细胞接纳,并在其中持续地或非持续地生存,这种“生存”包括病毒的生长繁殖,或以某种形式(如病毒的核酸整合在宿主细胞 DNA 分子上)在细胞内长期
Viruses are obligate intracellular parasites. At present, virus infection is considered to mean that the virus is accepted by and is constantly or non-continuously survived by the host’s susceptible cells. Such “survival” includes the growth and reproduction of Some form (such as viral nucleic acid integration in the host cell DNA molecules) in the cell long-term