Across
- 2. A viral infection with a very slow onset of symptoms
- 4. The body system that protects and fights off pathogens
- 7. A cell NOT containing a nucleus
- 8. A viral infection with a rapid onset of symptoms
Down
- 1. A molecule that protects the body from infection
- 3. A cell containing a nucleus
- 5. A nonliving organism that infect living organisms
- 6. The cell a virus attaches to