Across
- 3. An organism infected by a pathogen.
- 4. An increase in the occurrence of a particular disease above the baseline level of that population; tends to refer to larger, more serious events than the term outbreak.
- 6. A disease-causing organism.
- 8. An increase in the occurrence of a particular disease above the baseline level.
- 13. The immunity formed by stimulation of the immune system with an antigen and the generation of effector and memory cells; it is contrasted with passive immunity.
- 15. Refers to the idea that once a particular proportion of a population is immune to a disease, susceptible individuals are also better protected from the disease.
- 16. An injected solution of antigen or antibodies designed to cause an immune response.
Down
- 1. An epidemic of infectious disease that has spread across a large region (multiple continents or worldwide).
- 2. A cell that is capable of phagocytosis; includes macrophages.
- 5. Characteristic of the second line of defence in response to infection or damage; results in swelling, pain, redness and heat.
- 7. A chemical released by mast cells and basophils that increases blood flow and the permeability of capillaries.
- 9. Naturally produced or synthetic compounds that are toxic to bacteria.
- 10. A complex network of cells, tissues and organs in the body that detect difference between self and foreign particles and mounts an immune response.
- 11. A Y-shaped protein produced by plasma cells that bind to a specific antigen; also called an immunoglobulin.
- 12. A large molecule, usually a protein, which generates an immune response.
- 14. A type of leukocyte involved in specific immune responses.