COVID-19 Vaccine

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Across
  1. 3. a vaccine that teaches the body cells how to make a protein to fight for future infection
  2. 5. a secondary effect of a drug
  3. 7. a substance that triggers an immune response in the body to produce antibodies
Down
  1. 1. a type of white blood cell that helps fight the virus
  2. 2. white blood cells that consume dead or dying cells
  3. 4. a microorganism that causes disease
  4. 6. protection from a virus