How can we stay safe from coronavirus?

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Across
  1. 3. a mental state characterized by uneasiness, distress, and worry; apprehension.
  2. 9. to make impure or unusable by contact or by adding a harmful substance.
  3. 10. to cause disease in by the transference of germs.
  4. 11. something that lives on or in another organism and draws sustenance from it.
  5. 12. suitable and easily turned to one's needs, purposes, or comfort.
Down
  1. 1. an indication or sign of something.
  2. 2. resistant to a disease, either naturally or by medical means.
  3. 4. to repeat or duplicate.
  4. 5. to continue to live despite serious immediate threat to one's life.
  5. 6. capable of being spread from person to person by contact or association.
  6. 7. a sudden or unexpected death.
  7. 8. to clean by rubbing hard, often with a stiff brush or other abrasive cleaning tool.