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Am J Prev Med. 2001 May;20(4 Suppl):17-24.

Overview of the sampling design and statistical methods used in the National Immunization Survey.

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National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.


The National Immunization Survey (NIS) is a large federally funded survey designed to estimate vaccination coverage rates for children residing in the United States aged 19 to 35 months. In 1999, over 8 million telephone call attempts were made to obtain provider-reported vaccination histories on 22,521 children in the age range of interest.

[Indexed for MEDLINE]

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