Which of the Following is Not a Virulence Factor of Bordetella

Question

Which of the following is not a virulence factor of Bordetella pertussis?
A) Endotoxin
B) Tracheal cytotoxin
C) M protein
D) Pertussis toxin
E) Filamentous hemagglutinin

Accepted Answer

M protein is associated with Streptococcus pyogenes, not Bordetella pertussis. The other options listed are indeed virulence factors of Bordetella pertussis.