Immunogenicity of a seasonal influenza and a pneumococcal polysaccharide vaccine in multiple sclerosis patients under disease modifying therapies: A single-center prospective study

•Influenza and pneumococcal vaccine immunogenicity in multiple sclerosis was studied.•Significant immunogenicity was noted for influenza but not for the PPSV23 vaccine.•Rituximab had an effect on the height of the response.•No safety concerns were raised. Immunogenicity of influenza and pneumococcal...

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