Understand the Problem
The document is a medical technology assessment program focusing on microbiology and parasitology, specifically detailing various characteristics of Corynebacterium species, including morphology, biochemical tests, and culture conditions.
Answer
The 'Bull's neck'.
The appearance characteristic of diphtheria is the 'Bull's neck'.
Answer for screen readers
The appearance characteristic of diphtheria is the 'Bull's neck'.
More Information
Diphtheria is a serious bacterial infection affecting the mucous membranes of the throat and nose. Its main symptom includes a swollen neck, termed 'Bull's neck'.
Tips
Key details such as distinctive appearances or symptoms are often crucial in identifying pathogens.
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