Inside the investigation into how Covid-19 began - podcast

This week a team of international experts from the WHO will arrive in China to investigate the origins of Covid-19. A year into the pandemic, Guardian health editor Sarah Boseley looks at what questions still need to be answered A World Health Organization team of international experts tasked with investigating the origins Covid-19 will arrive in China this week. Scientists want to determine how the virus jumped species into humans. A year into the pandemic there are still many unanswered questi...