Across
- 2. Disease spread by ticks
- 4. Serum used to enhance immunity against diseases
- 7. To contaminate or taint
- 9. Person who is carrier of disease and spreads to others
- 11. Protein made in response to specific antigen
- 12. Developed polio vaccine
- 16. Micro-Organism that causes disease
- 17. Indicates infection in the body
- 18. Long term sickness or disease
Down
- 1. A sign of indication of something
- 3. Process of heating a liquid to kill bacteria
- 5. Disease transmitted from one person to another
- 6. To spread or pass on
- 8. Medicine used to treat infection
- 9. Human immunodeficiency virus
- 10. Sexually Transmitted Disease
- 11. Substance that causes allergic reaction
- 13. / Complex molecule that is foreign to your body
- 14. Acquired Immune Deficiency Syndrome
- 15. Disease marked by uncontrolled cell growth