Across
- 4. showing no symptoms of a disease
- 7. a microscopic parasite
- 9. the action of spreading a disease
- 10. an illness that is harmful to an organism
- 12. to affect a person with a virus
- 13. a name for a family of viruses
- 15. restriction of movement to prevent spreading
Down
- 1. a device that delivers air into lungs
- 2. fever, cough, headaches, sore throat, etc
- 3. a substance that helps protect from diseases
- 5. an organism that lives on a host
- 6. a global outbreak of a disease
- 8. showing symptoms of a disease
- 11. a widespread occurrence of a disease
- 14. an eruption of a disease/virus