Three tests - One Step COVID-2019 Test (Celer Biotecnologia S/A), CORONAVÍRUS RAPID TEST (Biocon Diagnósicos) and DPP® COVID-19 IgM/IgG System (Orangelife) had no available data regarding sensibility and specificity for IgG and IgM. The gene discussed is CD40LG; the disease is COVID-19.