The COVID-19 Crossword!

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Across
  1. 3. extend over a large area
  2. 4. A secret plan by a group to do something unlawful or harmful
  3. 6. illness
  4. 7. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases
  5. 9. a loud sound produced when we fell choked or unable to breathe
  6. 10. kings used to wear it
  7. 12. relating to or affecting respiration or the organs of respiration
  8. 14. a group of living organisms
  9. 17. the beginning of something bad
  10. 18. a ban on circulation
  11. 19. a sing showing somebody has fallen ill
  12. 21. a substance taken as a remedy or cure
Down
  1. 1. high body temperature
  2. 2. a liquid substance we use to disinfect our hands
  3. 5. a state of isolation or restricted access instituted as a security measure
  4. 8. a germ causing an infectious illness
  5. 11. An animal from which COVID-19 allegedly began
  6. 13. keep somebody striclty alone
  7. 15. the process of infecting or the state of being infected
  8. 16. very strong ans serious
  9. 20. lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid