FIELD: biotechnology.
SUBSTANCE: disclosed is an immunogenic composition for preventing an infection, disease or condition caused by serotype 9N Streptococcus pneumoniae, containing an effective amount of a capsular polysaccharide conjugate of serotype 9N Streptococcus pneumoniae protein CRM197 and a pharmaceutically acceptable excipient, carrier or diluent, wherein the activated capsular polysaccharide intended for conjugation with a protein has an oxidation state of 2–19 and a molecular weight of 200–700 kDa. Also disclosed is use of said immunogenic composition for preventing infection, disease or condition caused by serotype 9N Streptococcus pneumoniae.
EFFECT: invention provides protection against Streptococcus pneumonia serotype 9N.
7 cl, 15 tbl, 2 ex
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