Microbiology Capnocytophyga is best characterized as A A Gram-negative pleomorphic rod that can cause endocarditis B The causative agent of trench fever C A Gram-negative rod, fusiform-shaped, that is associated with periodontal disease but may cause sepsis D The causative agent of rat-bite fever 💡 Explanation Capnocytophyga is best characterized as ✓ Correct Answer: C. A Gram-negative rod, fusiform-shaped, that is associated with periodontal disease but may cause sepsis