In fact, this virus is a double stranded DNA virus, the virus has a kind of specificity, strictly in the human epidermis, in vitro tissue or experimental animal model, the difficulty of training.
其实，这种病毒是一种双链DNA病毒，这种病毒具有种属特异性，严格寄居人表皮、体外组织或实验动物模型中，培养困难。
The virus was transmitted to close contacts in a basic training environment, with limited transmission outside the basic training group.
病毒在一个基本训练环境里，被传播给有密切接触的人，而在基本训练小组之外的传播是有限的。
The virus was transmitted to close contacts in a basic training environment, with limited transmission outside the basic training group.
病毒在一个基本训练环境里，被传播给有密切接触的人，而在基本训练小组之外的传播是有限的。
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