Across
- 3. dicovered penicillin
- 9. producesdby a type of white blood cell to defend the body
- 10. poison
- 11. disease causing micro-organisms
- 14. protitst diesease
- 15. type of immunity done in large groups of people
- 17. name for a disease that cannot be transmitted form person to person
- 18. a type of painkiller
- 20. releive symptons of disease
Down
- 1. contains a weakened/dead pathogen to become immune
- 2. a doctor in the 1950s
- 4. a single-celled eukaryotic organism that don't belong to a 'kingdom'
- 5. detect which virus is entering the body
- 6. originates from willow bark
- 7. eukaryotic organism
- 8. a type of bacterial disease
- 12. name for infectious disease
- 13. when the pathogens are engulfed by the white blood cells
- 16. measles,mumps,rubella vacine
- 19. proteins on the surface of cells