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. 2020 Dec 9;27(5):789.e1–789.e5. doi: 10.1016/j.cmi.2020.11.025

Fig. 1.

Fig. 1

(A) Evolution of N-antigen sera levels in SARS-CoV-2-infected patients according to hospitalization status (n = 227 serum samples from 165 patients); sequential samples are connected with a grey line, while the positivity threshold value for N-antigen (2.97 pg/mL) is indicated with a dashed red line. (B) N-antigenaemia levels according to delay since symptoms onset. (C) N-antigen sera levels according to positive and negative RNAaemia status (n = 146 sera, n = 89 patients). (D) N-antigen sera levels according to E-gene cycle threshold value of 104 nasopharyngeal swabs collected within 24 hr (n = 91 patients).