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. 2021 Jan 14;17(1):e1009161. doi: 10.1371/journal.ppat.1009161

Fig 4. Validation of finger prick sampling for COVIDAR ELISA test.

Fig 4

A. Antibody measurements of paired serum and whole blood samples from the same patient were performed using COVIDAR IgG and IgM. For each case the positive control (red) and cut off are indicated. B. Stability of whole blood sample at 37°C in Serokit for field SARS-CoV-2 serosurvey studies. Antibody measurements of paired whole blood and serum samples from 19 patients that were kept for one week at 37°C in Serokit or 4°C, respectively.