vaccince

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Across
  1. 3. Large marsupial
  2. 4. Likes to chase mice
  3. 6. : Describes a very dangerous or harmful virus.
  4. 7. Flying mammal
  5. 8. : The body's ability to resist a disease.
  6. 10. : To give a vaccine or medicine by injection.
  7. 11. Has a trunk
  8. 15. : A weakened virus used to make a live vaccine.
Down
  1. 1. : A dead virus used in certain vaccines.
  2. 2. Man's best friend
  3. 5. : An extra dose of vaccine to strengthen protection.
  4. 9. : When a virus changes its genetic form.
  5. 12. : A white blood cell that fights infection.
  6. 13. : A microorganism that causes disease.
  7. 14. : To give someone a vaccine to create immunity.