"Since the beginning of the outbreak, we've had literally hundreds of drugs on the table available to us that will target the immune system, to try to stop lung damage and COVID. And really, very little hard evidence on which to base the decision about which one to use next, and genetics really does lead us."

Doing one of the most important jobs during the COVID-19 pandemic, Dr Kenneth Baillie is not only looking after patients in intensive care, but also looking at why some people are having such severe reactions to the SARS-CoV-2 virus.

In this episode, Chris and Kenny cover how he made the jump from studying the effects of going up mountains on the human body, to helping critically ill people and their families at the most difficult times in their lives.