Long term follow up of the immunogenicity of 7-valent pneumococcal conjugate vaccine (PCV-7) vs 23-valent pneumococcal polysaccharide vaccine (23vPPV) PPV in vulnerable elderly populations at high risk for invasive pneumococcal disease

Trial Profile

Long term follow up of the immunogenicity of 7-valent pneumococcal conjugate vaccine (PCV-7) vs 23-valent pneumococcal polysaccharide vaccine (23vPPV) PPV in vulnerable elderly populations at high risk for invasive pneumococcal disease

Completed
Phase of Trial: Phase IV

Latest Information Update: 23 Jun 2016

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