virus

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Across
  1. 1. when everyone was fighting over toilet paper
  2. 3. medicine that won't work on viruses.
  3. 5. what is inside of viruses
  4. 7. the type of cells covid takes over.
  5. 10. when the influenza outbreak happened.
  6. 11. a virus that hides from the immune system.
  7. 13. helps our body recognize the virus so we can eliminate it before it happens
  8. 15. viruses ______ spread on their own.
  9. 17. how we see viruses.
  10. 18. a deadly virus that happened in 1949.
  11. 19. another name for the flu.
Down
  1. 1. the outer casing of a virus
  2. 2. retroviruses changer their _________.
  3. 4. how we create the flu vaccine
  4. 6. a virus that is not as bad as smallpox.
  5. 8. markers what attaches to the sell
  6. 9. what the virus takes over to make copies of itself.
  7. 12. the inside of a virus in made of them
  8. 14. what helped defend against smallpox
  9. 16. another name for a virus.