Vaccines for the prevention of encapsulated bacterial diseases: current status, problems and prospects for the future.

Antibody Formation Bacterial Infections/immunology,prevention & control Bacterial Vaccines Child, Preschool Cross Reactions Humans Immunity, Innate Immunization, Secondary Immunoglobulin G/analysis Infant Infant, Newborn Meningococcal Infections/prevention & control Pneumococcal Infections/prevention & control Polysaccharides, Bacterial/immunology Vaccination

Bacterial Vaccines Immunoglobulin G Polysaccharides, Bacterial