CDC advises delay in pneumococcal immunization of certain children.
Thompson
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D002487:Centers for Disease Control and Prevention, U.S.; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011008:Pneumococcal Infections / Q000517:prevention & control*; D022242:Pneumococcal Vaccines / Q000008:administration & dosage*; D014481:United States
D022242:Pneumococcal Vaccines