Temporal Course of SARS-CoV-2 Antibody Positivity in Patients with COVID-19 following the First Clinical Presentation

Figure 1

Positivity rates of 10 tests in 8 assays over a period of 9 weeks: (a) chemiluminescence assays, (b) ELISAs, and (c) LFIA.

(a)

(b)

(c)