use of immunogenic composition for babies, and process for producing a vaccine

摘要

immunogenic composition for infants, vaccine, process for producing the vaccine, use of the immunogenic composition or vaccine, and method for preventing an elderly human host from having a pneumococcal disease caused by streptococcus pneumoniae serotype 22f infection. The present invention is in the field of pneumococcal capsular saccharide conjugate vaccines. specifically, an immunogenic infant composition is provided comprising a multivalent streptococcus pneumoniae vaccine comprising 2 or more capsular saccharide conjugates of two different serotypes, wherein the composition comprises a serotype 22f saccharide conjugate. Such a vaccine may be used in infant populations to reduce the incidence of pneumococcal disease in the elderly, such as copd and / or ipd exacerbations.