Across
- 6. a chemical which increases the antigenic response
- 7. occurs occasionally in an area
- 8. A way of controlling disease
- 10. A way that infectious diseases can be transmitted
- 11. the process by which a cell self destroys by producing self destructive enzymes
- 13. The study of infectious diseases
- 14. causes vasodilation and increased capillary permeability
- 15. makes histamine
Down
- 1. an example of a pathogen that can cause an infectious disease
- 2. Chemical which attracts more phagocytes and natural killing cells
- 3. a world wide epidemic
- 4. regular cases occurring in an area
- 5. destroys pathogens by phagocytosis and releases cytokines
- 9. destroy pathogens by apoptosis
- 12. the first line of defence in non specific immunity
- 16. a hypersensitivity disorder of the immune system
