Pneumococcal vaccine and isolates for the Centers for Disease Control.
D001428:Bacterial Vaccines; D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D022242:Pneumococcal Vaccines; D012703:Serotyping; D013296:Streptococcus pneumoniae / Q000145:classification*; D014481:United States
D001428:Bacterial Vaccines; D022242:Pneumococcal Vaccines