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The present paper elucidates the conceivable application of two key molecules in SARS-CoV-2 detection of suspected infected persons. These molecules were selected from the basis of ACE-2 and S protein strong interaction that allows virus attachment to its host cells, on the other hand specific immunocompetant effectors generated by human immune system during the infection. Several testing procedures are already used to diagnose SARS-CoV-2 infection, particularly RT-PCR technique. ELISA and LFIA are possible assays for the employment of shACE-2/ hAc-anti-S (the molecules of interest) as the main agents of the test and confer a dual principal functions (capture and detection). The future diagnostic kits involving shACE-2 and hAc-anti-S will have the particularity of high sensitivity and rapid detection in addition to its advantage of relatively easy conception. It could be largely considered as a technical advanced kits in regards to the current SARS-CoV-2 diagnostic immunoassays.