Dr. Graeme Fry, Medical Director of the Tropical Medical Bureau, dives into the resurgence of tropical diseases like cholera, leprosy, Zika, malaria, and dengue fever post-COVID-19. He highlights the low cholera risk in Ireland due to clean water, while discussing the disease's transmission through shellfish. The episode also clarifies leprosy types and emphasizes the importance of fluid replacement in cholera care. Additionally, Fry covers the impacts of global travel on tropical disease prevalence and the caution needed after heavy rains.