Professor Kate Jones (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Biosciences) speaks to Dr Chris Van Tulleken (Ïã¸ÛÁùºÏ²ÊÖÐÌØÍø Infection & Immunity) about Covid-19’s origins, saying many viruses jump from animals to humans, often driven by human behaviours such as habitat destruction.