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