The Maths of Covid-19

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Across
  1. 3. 4
  2. 5. 10
  3. 8. 2
  4. 10. 1
  5. 11. 5
Down
  1. 1. 8
  2. 2. 7
  3. 3. 9
  4. 4. 3
  5. 6. 6
  6. 7. 11
  7. 9. 12