Figure 1 | Scientific Reports

Figure 1

From: A serological assay to detect SARS-CoV-2 antibodies in at-home collected finger-prick dried blood spots

Figure 1

SARS-CoV-2 antibodies levels in self-collected finger-prick dried blood spots. Dried blood spot eluents were tested by the ADAP method for antibodies against the S1 protein of SARS-CoV-2. Signals were coded blue for COVID-19 and red for control donors. The y-axis is the signal output from ADAP, calculated by subtracting the Ct value of the specimen to the blank control (buffer C).

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