Abstract: The present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.

Abstract: The present invention relates to a process for conjugation of an antigen.

Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated through a linker to a carrier protein(s), and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are directly conjugated to a carrier protein(s).

Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.

Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated through a linker to a carrier protein(s), and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are directly conjugated to a carrier protein(s).

Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.

Abstract: The present application relates to an immunogenic composition comprising at least 2 conjugates of N. meningitidis capsular saccharide and protein carrier, wherein said conjugates comprise at least 2 different N. meningitidis capsular saccharides selected from the group consisting of MenA, MenC, MenY and MenW, wherein at least one capsular saccharide is conjugated to a protein carrier with a saccharide:protein ratio (w/w) between 1:2-1:5, and wherein at least one different capsular saccharide is conjugated to a protein carrier with a saccharide:protein ratio (w/w) between 5:1-1:1.99.

Abstract: present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.

Abstract: The present application discloses an immunogenic composition comprising N. meningitidis capsular polysaccharides from at least one of serogroups A, C, W135 and Y conjugated to a carrier protein to produce a N. meningitidis capsular polysaccharide conjugate, wherein the average size of each N. meningitidis polysaccharide is above 50 kDa.

Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated through a linker to a carrier protein(s), and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are directly conjugated to a carrier protein(s).

Abstract: The present application discloses an immunogenic composition comprising at least 2 different N. meningitidis capsular saccharides, wherein one or more is/are selected from a first group consisting of MenA, MenC, MenY and MenW which is/are conjugated to a protein carrier(s) wherein the saccharide:protein ratio (w/w) is between 1:2-1:5, and one or more different saccharides is/are selected from a second group consisting of MenA, MenC, MenY and MenW which is/are conjugated to a protein carrier(s) wherein the saccharide:protein ratio (w/w) is between 5:1-1:1.99.

Abstract: The present application discloses an immunogenic composition comprising a Hib saccharide conjugate, at least one additional bacterial, for example N. meningitidis, saccharide conjugate(s), and a further antigen selected from the group consisting of whole cell pertussis and hepatitis B surface antigen, wherein the saccharide dose of the Hib saccharide conjugate is less than 5 ?g.

Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.

Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.

Abstract: The present application describes a process for conjugating a PNAG which is less than 40% N-acetylated to a carrier protein.

Abstract: The present application discloses an immunogenic composition comprising a Hib saccharide conjugate, at least one additional bacterial, for example N. meningitidis, saccharide conjugate(s), and a further antigen selected from the group consisting of whole cell pertussis and hepatitis B surface antigen, wherein the saccharide dose of the Hib saccharide conjugate is less than 5 ?g.

Abstract: The present application discloses a method for making an immunogenic composition comprising an improved way of conducting saccharide-protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. In addition, the conjugate is mixed with a staphylococcal antigen. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.

Abstract: The present application discloses an improved method for conducting saccharide—protein conjugation reactions using carbodiimide condensation chemistry. Depending on the nature of the saccharide or protein carrier involved, the quality of the conjugate may be improved by adding one of the reaction components slowly to the reaction mixture. Immunogenic compositions are further provided comprising the saccharide-protein conjugates made by the methods disclosed.

Abstract: Process for conjugation of bacterial saccharides including Streptococcus pneumoniae and Haemophilus influenzae saccharides by reductive amination are provided herein.

Abstract: The present application relates to immunogenic compositions comprising staphylococcal PNAG which is less than 40% N-acetylated and is conjugated to a carrier protein by a linker bonded to an amine group on PNAG to form a PNAG conjugate. Vaccines, methods of treatment using and processes to make an immunogenic composition comprising PNAG and Type 5 and/or 8 capsular polysaccharides are also described.