COVID-19 and Vaccination

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