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. 2021 Apr 15;184(8):2201–2211.e7. doi: 10.1016/j.cell.2021.02.033

Figure 6.

Figure 6

Neutralization activity of serum taken from patients suffering infection with B.1.1.7

(A) Neutralization titers of plasma from 13 patients infected with B.1.1.7 at various time points following infection. The days since infection are indicated in each panel. Neutralization was measured by FRNT.

(B) Comparison of FRNT50 titers of individual sera against Victoria and B.1.1.7 strains, the number above each column is the geometric mean, the Wilcoxon matched-pairs signed-rank test was used for the analysis, and two-tailed p values were calculated.