The T-virus was a very dangerous virus that could cause many serious diseases such as AIDS and rabies. In apocalyptic novels, the appearance of the T-virus was often an inevitable crisis that could trigger a global disaster that pushed mankind to the brink of death. When writing about the T-virus, one had to pay attention to the characteristics of the virus, such as its transmission route, transmission speed, infection symptoms, etc. At the same time, it was also necessary to describe the human reaction to the virus, including people's panic, struggle, desire to die, and so on. In addition, the level of technology in the apocalyptic novel was also a factor that needed to be considered. For example, how the virus was developed, developed, and spread, whether humans had enough technological means to deal with the T-virus, etc. To write a novel about the T-virus, one needed to dig deep into human nature and describe human behavior and psychology in a crisis. At the same time, he had to pay attention to the cohesiveness and logic of the story so that the readers could truly feel the fear and despair brought by the end of the world.