Plasma cells subsequently discharge specific antibodies (Abs) into the circulation, which gradually enter other body fluids. dependent on precise antigen recognition and Cd44 MHC class I molecules presentation. == Conclusions == Thus, nucleic acid and antibody dependent tests complement each other in identifying human SARS-CoV-2 contamination and shaping up subsequent immunological responses. This article discusses the complimentary association of nucleic acid identification (corresponding to an active contamination) and antibody…