Nonencapsulated Strains of Streptococcus Pneumoniae are Highly Virulent

Question

Nonencapsulated strains of Streptococcus pneumoniae are highly virulent.

Accepted Answer

Nonencapsulated strains of Streptococcus pneumoniae are generally less virulent than encapsulated strains because the capsule is a major virulence factor that helps the bacteria evade the host's immune response.