general_pathology:infectious:infectious_diseases

Choose the correct answer

How does Haemophilus influenzae prevent being killed by phagocytes?

By excreting a carbohydrate capsule which prevents phagocytosis

By expressing protein A which binds to the Fc portion of antibodies

By preventing phagosome-lysosome fusion

By disrupting the phagosome membrane and escaping into the cytosol

By altering the charge or hydrophobicity of the cell surface to avoid insertion of cationic antimicrobial pore formation

RC 10th Ed. p343

The capsule can be seen in this gram stain: