Trial Corona Crossword Puzzle

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Across
  1. 4. proteins body defences
  2. 6. type of nucleic acid in coronavirus
  3. 7. centre of the virus core
  4. 8. abbreviation for Intensive Care Unit
Down
  1. 1. primary host of coronavirus
  2. 2. intermediate host for coronavirus
  3. 3. global disease
  4. 5. other type of nucleic acid