The COVID-19 virus infects cells of the respiratory system. Thevirus spreads by moving from one cell to the next. While the virusmoves from one cell to the next, it will outside of the celltemporarily and can be taken up by an antigen-presenting cell (APC)for processing and presentation. Explain how these antigens wouldbe presented on the surface of these cells so that the immunesystem could react against it. What cells would recognise theseantigens and why?