Instant Genius is a bite-sized masterclass in podcast form. And in this episode, we're exploring how human diseases have shaped global history.

Over time, we have become infected with various viruses, bacteria and other microorganisms, which have had a huge impact on our evolution. Dr Jonathan Kennedy, a reader in politics and global health, tells us about the close links between disease and colonialism, how infection shaped the migration of humans out of Africa, and what we can all learn from the COVID pandemic.

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Alice Lipscombe-SouthwellManaging editor, BBC Science Focus

Alice is the managing editor at BBC Science Focus Magazine. She has a BSc in zoology with marine zoology. Her interests include natural history, wildlife, the outdoors, health and fitness.