a trend toward significancep = 0.051
Seropositive participants had a significantly higher rate of self-reported positive RT-PCR (6/6 respectively; p < 0.001) and IgG (4/5; p < 0.001) test results, with a trend toward significance for positive IgM test results (1/1; p = 0.051), and a higher rate of symptomatic cases and infected household contacts than seronegative participants.