True: The virus enters a living cell and then reproduces inside a living things., Viruses lack most of the characteristics of living things, A vaccine is a substance used in vaccination that consists of a pathogen such as viruses that are weakened or killed, Viruses can be round,threads ,or bullets, False: A virus is a tiny, living particle, Viruses can reproduce  on their own , A vaccine is a substance used in vaccination that consists of active virus, Virus diseases are always danderous ,

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