Disease Crossword

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Across
  1. 4. A virus affecting the nervous system
  2. 6. Caused by a genetic defect
  3. 8. Caused by a rod-shaped bacteria
  4. 9. gas trapped in small bubbles; a soapsuds appearance
Down
  1. 1. An infection of the mammary gland
  2. 2. A disease shared by humans and animals
  3. 3. Sharp objects can pierce the stomach wall, entering the abdomen
  4. 5. Birds as the reservoir
  5. 7. Definitive host: cats