Evaluation of Influenza Vaccine Effectiveness Among Young Children Receiving Consecutive Versus Nonconsecutive Vaccination During Influenza A(H3N2)-Predominant Seasons

J Pediatric Infect Dis Soc. 2021 Apr 3;10(3):359-362. doi: 10.1093/jpids/piaa080.

Abstract

A test-negative case-control analysis of 1478 children aged 6 months to 8 years of age seeking care at an emergency/urgent care setting with influenza like illness during the 2016-17 and 2018-19 (H3N2 predominant) influenza seasons demonstrated that influenza vaccine effectiveness did not vary significantly by the prior seasons' vaccination status.

Clinical trials registration: NCT02979626.

Keywords: H3N2; children; influenza; season; vaccine effectiveness.

Publication types

  • Clinical Study

MeSH terms

  • Case-Control Studies
  • Child
  • Child, Preschool
  • Humans
  • Influenza A Virus, H3N2 Subtype
  • Influenza Vaccines*
  • Influenza, Human* / prevention & control
  • Seasons
  • Vaccination

Substances

  • Influenza Vaccines

Associated data

  • ClinicalTrials.gov/NCT02979626