Science
As the coronavirus, or Covid-19, outbreak continues to unfold, many of us have been left with questions about exactly what we do and don’t know. Over the next few weeks, we’ll be releasing extra episodes of Science Weekly exploring some of those questions with experts on the frontline. In today’s episode, Ian Sample investigates where the virus infects us when it enters our bodies, and what difference this makes to disease severity and transmissibility. Help support our independent journalism at theguardian.com/sciencepod