Regarding Treponema pallidum, al of the following are considered virulence factor EXCEPT
A. Presence of a capsule to protect against phagocytosis
B. Coating of fibronectin protects against phagocytosis.
C. Secrete hyaluronidase, an enzyme that disrupts ground substance, and probably facilitates dissemination of the organism.
D. Outer membrane proteins promote adherence to host cells.
Answer: A. Presence of a capsule to protect against phagocytosis
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