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Interim estimates of the effectiveness of seasonal trivalent inactivated influenza vaccine in preventing influenza hospitalisations and primary care visits in Auckland, New Zealand, in 2014.

We present preliminary results of influenza vaccine effectiveness (VE) in New Zealand using a case test-negative design for 28 April to 31 August 2014. VE adjusted for age and time of admission among all ages against severe acute respiratory illness hospital presentation due to laboratory-confirmed influenza was 54% (95% CI: 19 to 74) and specifically against A(H1N1)pdm09 was 65% (95% CI:33 to 81). For influenza-confirmed primary care visits, VE was 67% (95% CI: 48 to 79) overall and 73% (95% CI: 50 to 85) against A(H1N1)pdm09.

Publication 
Eurosurveillance, Volume 19, Issue 42, pii=20934
Author 
Turner N, Pierse N, Huang QS, Radke S, Bissielo A, Thompson MG and Kelly H on behalf of the SHIVERS investigation team
Date 
23 October 2014
Type of Research 
Year 
2014
Publication Date 
Thursday, October 23, 2014

Last updated: Sep 2018