CORONAVIRUS

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Across
  1. 2. a covering that fits over the nose and mouth to protect or prevent infections.
  2. 4. free from dirt, marks or stains.
  3. 5. a disorder of structure or function in a human, animal or plant. It produces symptoms.
  4. 8. expel air from the lungs with a sudden sharp sound.
  5. 9. a qualified practitioner of medicine, a physician.
  6. 11. affected by physical or mental illness.
  7. 12. make a sudden involuntary expulsion of air from the nose and mouth.
Down
  1. 1. a substance used to stimulate the production of antibodies and provide immunity against
  2. 3. (of a disease) prevalent over a whole country or the world.
  3. 6. a substance used with water for washing and cleaning.
  4. 7. a state, period or place of isolation
  5. 10. an infective agent that typically consists of a nucleic acid molecule in a protein coat.