CD40LG and infection: For this study, we used the PanbioTM COVID‐19 IgG/IgM Rapid Diagnostic Test manufactured by Abbott which detects N‐antibodies within 7–14 days infection, has a high sensitivity and specificity and detects antibodies earlier than other antibody assays, particularly those that measure SARS‐CoV‐2 spike protein antibodies which take longer to develop after infection.17