Effectiveness of seasonal influenza vaccine in preventing influenza primary care visits and hospitalisation in Auckland, New Zealand in 2015: interim estimates

SHIVERS

Research output: Contribution to journalA1: Web of Science-article

Abstract

Preliminary results for influenza vaccine effectiveness (VE) against acute respiratory illness with circulating laboratory-confirmed influenza viruses in New Zealand from 27 April to 26 September 2015, using a case test-negative design were 36% (95% confidence interval (CI): 11-54) for general practice encounters and 50% (95% CI: 20-68) for hospitalisations. VE against hospitalised influenza A(H3N2) illnesses was moderate at 53% (95% CI: 6-76) but improved compared with previous seasons.

Original languageEnglish
Article number30101
JournalEurosurveillance
Volume21
Issue number1
Number of pages5
ISSN1560-7917
DOIs
Publication statusPublished - 2016

Keywords

  • Adolescent
  • Adult
  • Aged
  • Case-Control Studies
  • Child
  • Child, Preschool
  • Female
  • Hospitalization/statistics & numerical data
  • Humans
  • Infant
  • Infant, Newborn
  • Influenza A Virus, H1N1 Subtype/genetics
  • Influenza Vaccines/administration & dosage
  • Influenza, Human/epidemiology
  • Logistic Models
  • Male
  • Middle Aged
  • Multivariate Analysis
  • New Zealand/epidemiology
  • Primary Health Care
  • Reverse Transcriptase Polymerase Chain Reaction
  • Seasons
  • Sentinel Surveillance
  • Urban Population/statistics & numerical data
  • Vaccination
  • Young Adult

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