Secondary infection also refers to the second time a host becomes infected with the same pathogen?
举一反三
- Secondary infection also refers to the second time a host becomes infected with the same pathogen? A: 正确 B: 错误
- Primary infection is that the first time that the host plants are exposed to and infected by a pathogen?
- Primary infection is that the first time that the host plants are exposed to and infected by a pathogen? A: 正确 B: 错误
- Hepatitis B and C get passed from person to person the same ways the HIV does — through contact with ____ blood. A: infection B: infected C: infect
- Human mind can respond quickly to what is before it, and by the same token can call up from within a host of appropriate ideas. A: as a similar symbol B: for the same reason C: at the same time D: by the same means