As much of the world continues to be devastated by the COVID-19 contagion, work has started in a handful of labs around the world to create a vaccine against the deadly coronavirus. These efforts are progressing at unprecedented speeds thanks to international collaboration between scientists but a vaccine is still thought to be at least a year away. In this episode we take a detailed look at the various stages that through which a vaccine must go before it can be widely distributed, and the pioneering clinical trials currently underway. Guest: Dr. Gautam Dey, Cell Biologist, University College London Also read: https://www.thehindu.com/sci-tech/health/the-vaccine-was-rapidly-synthesised-as-novel-coronavirus-sequence-was-available/article31129228.ece