Vaccine effectiveness (95% CI) of the trivalent influenza vaccine against medically attended influenza in Nagasaki, Japan, December 2010–April 2011.
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aAdjusted for age group, chronic conditions, month of visit, duration of symptom, smoking and alcohol.bAdjusted for age group, month of visit, duration of symptom, smoking and alcohol.
创建时间：
2015-12-02
