Encapsulated strains of Streptococcus pneumoniae are particularly pathogenic, because they

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Encapsulated strains of Streptococcus pneumoniae are particularly pathogenic because they have the ability to avoid phagocytosis and penetrate mucosal barriers, leading to potentially invasive infections such as pneumonia, meningitis, and septicemia. Exotoxins A and B are not typically produced by S. pneumoniae, while M protein surface antigens are more commonly associated with Streptococcus pyogenes.

Encapsulated Strains of Streptococcus Pneumoniae Are Particularly Pathogenic, Because They