Despite the best efforts of the human immune system, viruses and bacteria are constantly evolving to find new ways to breach our bodies’ natural defenses. Over the years, scientists have stepped in to develop novel ways to help the immune system in fighting infectious diseases. It’s a complicated field, which is why in this episode Jane is bringing in two scientists – Man Wah Tan, Senior Director and Principal Scientist, and Jorge Tavel, Group Medical Director, from the infectious disease team – to talk about where the field is headed.