misc 2

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Across
  1. 3. happens when you take a vaccine
  2. 4. immune system
  3. 8. used to get rid of bacterial infections
  4. 9. involves the reproduction of viruses using a host cell to manufacture more viruses
  5. 12. immunity that happens overtime
  6. 13. fever
  7. 14. a fist-sized organ found in the upper left side of your abdomen
  8. 15. triggers immune response
  9. 17. Covid-19
  10. 18. a method by which a virus can replicate its DNA using a host cell
  11. 19. the system in your body that fights off infections
  12. 20. when a bacteria is resistant to antibiotics
Down
  1. 1. the most common immune cell
  2. 2. immunity that happens when you are sick
  3. 5. outside defence system
  4. 6. getting a vaccine
  5. 7. is a large, Y-shaped protein used by the immune system
  6. 10. a small organ that lies in the upper chest under the breastbone
  7. 11. white blood cells
  8. 16. immunity that is given when you are born