Pneumococcal vaccine.
D001428:Bacterial Vaccines / Q000592:standards*; D003365:Costs and Cost Analysis; D006801:Humans; D011008:Pneumococcal Infections / Q000517:prevention & control; D013296:Streptococcus pneumoniae / Q000276:immunology*; D014611:Vaccination / Q000191:economics
D001428:Bacterial Vaccines