From the center for disease control. Epidemiology of pneumococcal serotypes in the United States, 1978--1979.
D001315:Australia; D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D002675:Child, Preschool; D003718:Denmark; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D011008:Pneumococcal Infections / Q000453:epidemiology* / Q000382:microbiology / Q000517:prevention & control; D012703:Serotyping; D012737:Sex Factors; D013296:Streptococcus pneumoniae / Q000145:classification*; D013557:Switzerland; D014481:United States; D014613:Vaccines, Attenuated / Q000276:immunology
D014613:Vaccines, Attenuated