Across
- 5. body uses to fight infectios agents
- 7. can be injected to fight viruses
- 9. when a large are/world of a virus invades
- 10. when a small area of a virus invades
Down
- 1. hidden time period
- 2. an active time period
- 3. you can fight it by washing yor hands
- 4. infectious agent
- 6. can infect your body and make you ill but not disease
- 8. outer coat