Dr Chris Smith, a consultant clinical virologist at Cambridge University, and one of BBC Radio 5 Live's Naked Scientists, is back to assess the latest research and Covid-19 scientific developments as we try to understand the virus better.
This week, human trials on vaccines ramp up in the UK and Germany: so what kind of protections can a vaccine offer?
Also a new study casts doubt on the idea of children as active ‘super spreaders’ of the disease. Meanwhile, strange blood clotting effects, and a distinctive form of pneumonia, suggest Covid-19’s behaving very differently from other types of coronavirus.