COVID-19 FAQ: How cracking the secrets of T Cells can give vaccine design a boost?

When we hear about SARS-CoV-2 immunity we mostly think: antibodies. These proteins are made by a group of immune cells, called B cells. Antibodies find and bind to foreign proteins in our bodies. They lock onto their targets, they signal other immune cells to come and clean up the infection. But less is known of the key role of T cells – the cousins of B cells – in immunity.