Covid-19

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Across
  1. 2. Connected with breathing
  2. 7. A serious disease affecting one's lungs
  3. 8. A disease caused by germs or bacteria
  4. 10. A substance that is put into the blood and protects the body
Down
  1. 1. Be spread to other people by touch
  2. 3. Showing no symptoms
  3. 4. Kill the bacteria in or on sth.
  4. 5. Being kept separate from other people or animals for a set of time
  5. 6. A disease that affects many people over a very wide area
  6. 9. New and different from anything known before