COVID-19 crossword puzzle

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Across
  1. 4. able to destroy a virus
  2. 5. a math program that shows future possibilities
  3. 7. A change in the body that is a sign of sickness
  4. 8. the animal or plant in which a virus live
  5. 9. a part of a cell determines how something develops
  6. 11. a tiny drop of liquid
  7. 12. a unit in the body that attaches to and stops a virus
  8. 14. a medicine that protects people against a disease
Down
  1. 1. a sudden change in biology that causes new or different characteristics
  2. 2. to make usually by large amounts in a factory
  3. 3. a time when a disease spreads quickly over a large area
  4. 6. To be true
  5. 10. a country’s system of producing, buying, and selling goods and services
  6. 13. new
  7. 15. a very small part of a living being