Covid crossword

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Across
  1. 3. you can leave home for this. It's good for your health
  2. 5. what people have to wear in shops
  3. 7. goes in your arm
  4. 11. sometimes called 'dictator Dan'
  5. 12. what we are in and want to get out of
  6. 15. COVID is one
  7. 16. Palaszczuk is premier there
  8. 17. NSW health minister. Clue: sounds dangerous
  9. 18. what you need to get if you feel a bit sick
  10. 19. NSW chief medical officer. Clue: sing
  11. 21. the sort of schooling you are having now
Down
  1. 1. a city you visited, but can't go there right now
  2. 2. people who come into Australia have to go into this
  3. 4. AstraZeneca and Pfizer are types of these
  4. 6. the sort of distance we have to keep
  5. 8. country where Pfizer was developed: anagram: yremang
  6. 9. English city where AstraZenica was developed. Clue: anagram: fooxdr
  7. 10. if you had Covid you would need to do this
  8. 13. Covid is highly what?
  9. 14. Chinese city. Covid probably started there. Clue: anagram: hunwa
  10. 15. DELTA is one
  11. 18. number of injections you need to be fully vaccinated
  12. 20. Gladys who?