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Letters
February 6, 2002

Extraimmunization in Children Through 2000

Author Affiliations
 

Stephen J.LurieMD, PhD, Senior EditorIndividualAuthor

JAMA. 2002;287(5):588-589. doi:10.1001/jama.287.5.583

To the Editor: Extraimmunization is the receipt by a child of at least 1 vaccine dose in excess of Advisory Committee on Immunization Practices recommendations. In the only published national-level study of extraimmunization in the United States, Feikema et al1 found that, in 1997, 21.1% (95% confidence interval [CI], 20.2%-22.0%) of US children aged 19 to 35 months were extraimmunized with at least 1 antigen; this represented approximately 1 839 107 unnecessary doses. This estimate obviously affects perception of the efficiency with which immunizations are administered. Extraimmunization represents wasted vaccine, money, and time, as well as unnecessary discomfort and increased risk of adverse reactions.

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