Low interim influenza vaccine effectiveness, Australia, 1 May to 24 September 2017

Sheena G. Sullivan, Monique Chilver, Kylie Carville, Yi‐Mo Deng, Kristina A Grant, Geoff Higgins, Naomi Komadina, Vivian Leung, Cara Minney‐Smith, Don Teng,

Eurosurveillance · 2017 · 105 citations · 13 references

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Abstract

In 2017, influenza seasonal activity was high in the southern hemisphere. We present interim influenza vaccine effectiveness (VE) estimates from Australia. Adjusted VE was low overall at 33% (95% confidence interval (CI): 17 to 46), 50% (95% CI: 8 to 74) for A(H1)pdm09, 10% (95% CI: -16 to 31) for A(H3) and 57% (95% CI: 41 to 69) for influenza B. For A(H3), VE was poorer for those vaccinated in the current and prior seasons.

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