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. 2003 Feb 5;35(2):141–146. doi: 10.1016/S0928-8244(03)00009-9

Fig. 6.

Fig. 6

Analysis of the immunogenicity of M2e in humans through natural infection. Sixty-six serum samples from patients positive for influenza virus (Sera-P) and 43 normal sera from individuals negative for influenza virus (Sera-N) were tested by ELISA at dilution 1:400. The OD of each sample is represented by one circle. The two lines mark the means of all samples in the patient group and in the normal group. The t-test is taken to evaluate the difference between the two means from the two group. Significance level α=0.05 (two-tailed), t=0.490<t0.05=1.98.