Which of the following produces a greenish pigment that may appear in infected wounds?

Which of the following does NOT explain why a patient with Klebsiella pneumonia is more likely to die than one with pneumococcal pneumonia?

The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is

The characteristic virulence factor of S. pneumoniae is

Helicobacter pylori is able to survive in the stomach by its ability to produce

The characteristic virulence factor of S. pneumoniae is

Both S. pneumoniae and K. pneumoniae use this as a virulence factor.

Formation of a pseudomembrane in the back of the throat is seen in

Both S. pneumoniae and K. pneumoniae use this as a virulence factor.

A protein associated with a more virulent form of Staphylococcus is