Persistence of Pneumococcal antibodies in human subjects following vaccination.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000907:Antibodies, Bacterial / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D011135:Polysaccharides, Bacterial / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000276:immunology*; D013997:Time Factors; D014611:Vaccination
D000907:Antibodies, Bacterial; D011135:Polysaccharides, Bacterial