Across
- 4. Trials to assess safety, immune responses, and efficacy
- 5. used to prevent the spread of COVID-19
- 9. A cell that eats germs and dead/dying cells
- 10. specialized proteins that bind to the body's foreign invaders
- 11. Attack cells in the body that have already been infected
- 12. Provides immunity to a particular infectious disease
Down
- 1. A type of trial used to eliminate potential toxic vaccines
- 2. Encodes the antigen
- 3. A type of cell that produces antibodies
- 6. Found on the surface of the virus that causes COVID-19
- 7. A disease-causing agent
- 8. Responsible for regulating vaccines