Influenza

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Across
  1. 2. main system of the body
  2. 3. hurting in different places
  3. 6. Getting cold
  4. 7. A common cold
  5. 8. When your head hurts
  6. 9. Extreme tiredness
Down
  1. 1. contagious and transmissible
  2. 4. very infectious
  3. 5. an infection
  4. 7. Symptom of the cold