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Fig. 3 | BMC Microbiology

Fig. 3

From: IgG antibody titers against SARS-CoV-2 nucleocapsid protein correlate with the severity of COVID-19 patients

Fig. 3

Difference in serum titer for the different severity. Group 1: SARS-CoV-2-N IgG antibody titer for 24 asymptomatic and mild cases; Group 2: SARS-CoV-2-N IgG antibody titer for 48 moderate cases; Group 3: SARS-CoV-2-N IgG antibody titer for 16 severe and critical cases. The significance of the difference was indicated using ‘* ‘(p < 0.05) and ‘*** ‘(p = 0.000)

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