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Influenza vaccination status is not associated with influenza testing among children: implications for observational

Jill M Ferdinands1, Edward A Belongia, Chinyelu Nwasike

  • 1Influenza Division, U.S Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. jferdinands@cdc.gov

Vaccine
|January 12, 2011
PubMed

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