CD40LG and COVID-19: Therefore, in order to achieve our study objective, we have employed two rapid serological tests for COVID-19 antibodies among those widely available nationwide: the Ninonasal COVID-19 IgG/IgM all in one test which detects antibodies against the SARS-CoV-2 nucleocapsid protein [22]; and the ABBEXA COVID-19 IgG/IgM device captures antibodies against both SARS-CoV-2 spike and nucleocapsid proteins [23].