Across
- 3. Use a weakened form of the germ that causes a disease.
- 4. The killed version of the disease. Do NOT provide immunity.
- 5. Use a toxin made by the germ that causes a disease to improve immunity.
- 6. Make proteins in order to trigger an immune response.
Down
- 1. Use specific pieces of the germ - like its protein, sugar, or capsid.
- 2. Use a modified version of a different virus as a vector to give protection.