11/03/2015 04:49 PM EST
Source: Centers for Disease Control and Prevention - PDF
Related MedlinePlus Pages: Childhood Immunization, Diphtheria, Tetanus, Whooping Cough
www.cdc.gov/vaccines/hcp/vis/vis-statements/dtap.pdf
Related MedlinePlus Pages: Childhood Immunization, Diphtheria, Tetanus, Whooping Cough
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