A(H1N1)pdm09 influenza vaccine effectiveness to prevent laboratory confirmed A(H1N1)pdm09 influenza: a matched case-control study between 12 November –31 December 2009.
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*Crude odds ratio, its 95% confidence interval and the corresponding vaccine effectiveness estimates for the assumption that persons whose vaccination status was missing or unavailable were not vaccinated;**Crude odds ratio, its 95% confidence interval and the corresponding vaccine effectiveness estimates for the assumption that persons whose vaccination status was missing or unavailable were vaccinated.
创建时间：
2015-12-02
