Fig. 3

Days from COVID PCR Positive to the first of two negative COVID PCR tests in patients with and without detectable IgG antibodies and with and without symptoms at presentation. Circles – patients asymptomatic at time of first covid positivity. Squares – patients with symptoms at presentation. The two filled squares are patients who presented with good evidence of COVID disease but who did not develop an antibody response. Kruskal-Wallis tests with Dunn’s correction is shown between groups, apart from those shown, all other comparisons were not significant