Viruses & Diseases

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Across
  1. 1. rock opera
  2. 5. dengue
  3. 6. rubella
  4. 8. omicron
  5. 9. smallpox
  6. 11. virus
Down
  1. 2. influenza
  2. 3. yellowfever
  3. 4. herpes
  4. 7. beta
  5. 10. mask