Table 1. Cross-tabulation of Standard Q COVID-19 IgM/IgG Combo rapid test, Platelia SARS-CoV-2 Total Ab (IgM/IgG/IgA) Assay, and Wantai Total Ab (IgM/IgG/IgA) ELISA test results for SARS-CoV-2 in a seroprevalence study (Kibera Informal Settlement; Nairobi, Kenya). The Wantai ELISA is defined as the reference test.