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MedlinePlus®

A service of the National Library of Medicine.

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  American Academy of Allergy, Asthma, and Immunology
  American Cancer Society
  American Lung Association
CDC: National Vaccine Program Office
CDC: Tobacco Information and Prevention Source (TIPS)
CDC: Asthma's Impact on Children and Adolescents
CDC: How to Quit
CDC: National Immunization Program
CDC: Travelers' Health
Centers for Disease Control and Prevention
  Immunization Action Coalition