Across
- 4. An early method of immunization using material from smallpox sores.
- 8. Immune cells that produce antibodies.
- 10. Immunity developed by the body’s own immune response.
- 11. The introduction of antigens to stimulate an immune response and memory.
- 12. The body’s ability to resist infection or disease.
- 14. A virus used historically to provide protection against smallpox.
Down
- 1. A microorganism that can cause disease.
- 2. A serious infectious disease once used in early immunization practices.
- 3. The initial immune response when first exposed to a pathogen.
- 5. The process of protecting against disease by inducing immunity.
- 6. Substances that trigger an immune response in the body.
- 7. A type of immunity gained through external antibodies.
- 9. The immune system’s ability to remember and respond faster to pathogens.
- 10. Proteins produced by the immune system to fight pathogens.
- 13. The introduction of a substance into the body to stimulate immunity.