Baseline clinical data of the study population.
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aPatients presenting with influenza-like illness (ILI), A(H1N1)pdm2009 influenza virus not detected.bPatients presenting with ILI, A(H1N1)pdm2009 influenza virus detected.cChi-square test.d9 patients, 4 confirmed and 5 suspect cases ignored vaccination status. Vaccinated cases confirmed by medical records.
创建时间：
2015-12-02
