Patent ID: 8808707

Claim:
A method of eliciting an immunoprotective antibody response to a capsular polysaccharide of Streptococcus pneumoniae in an older subject who is 65 years or over in age, comprising administering to a first older subject who has never previously received a 23-valent unconjugated pneumococcal polysaccharide vaccine or a 7-valent pneumococcal polysaccharide conjugate vaccine an immunogenic amount of a pneumococcal polysaccharide conjugate vaccine comprising polysaccharides of serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F conjugated to CRM 197 , wherein the antibody response for serotypes 4, 6B, 9V, 14, 18C, and 23F is higher relative to a second older subject who received a 23-valent unconjugated pneumococcal polysaccharide vaccine.