[Ageing and host responses: infection].
D000328:Adult; D000368:Aged; D000375:Aging; D000907:Antibodies, Bacterial / Q000032:analysis; D000917:Antibody Formation; D001428:Bacterial Vaccines / Q000276:immunology*; D001831:Body Temperature; D006801:Humans; D008875:Middle Aged; D011379:Prognosis; D012772:Shock, Septic / Q000453:epidemiology; D013296:Streptococcus pneumoniae / Q000276:immunology*
D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines