Uncovering how T-cells recognise the SARS-COV-2 virus spike protein

The immune system is vitally important for resolving COVID-19 when individuals are infected with the SARS-CoV-2 virus. Moreover, the vaccines that are being administered to millions of people across the globe are designed to 'pre-warn and arm' the immune system so that if infected with SARS-CoV-2, individuals are significantly less likely to develop severe disease or die. Here, two crucial arms of the immune system, namely B cells and T cells, play a central role.