Figure 4 | Scientific Reports

Figure 4

From: Serum from COVID-19 patients early in the pandemic shows limited evidence of cross-neutralization against variants of concern

Figure 4

Critical COVID-19 induces high titers of SARS-CoV-2 neutralizing antibodies. (A) SARS-CoV-2-specific neutralizing antibody titers for COVID-19 and normal serum samples against SARS-CoV-2 USA-WA1. (B) Neutralizing antibody titers for COVID-19 serum samples comparing SARS-CoV-2 variants USA-WA1, Alpha, Beta, and Delta. Geometric mean and geometric SD are shown. Statistically significant differences as determined by Mann–Whitney test are indicated as p < 0.0001 (****), and p < 0.05 (*).

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