For the next few months Talk Evidence is going to focus on the new corona virus pandemic. There is an enormous amount of uncertainty about the disease, what the symptoms are, fatality rate, treatment options, things we shouldn't be doing. We're going to try to get away from the headlines and talk about what we need to know - to hopefully give you some insight into these issues. This week: (1.10) Carl gives us an update on the UK's figures, and how deaths outside are now being counted. (2.10) When the pandemic slows down, and normal services resume - what should we start doing first? Helen picks up some evidence on what they might be. (6.05) There's a signal that covid-19 may be causing coagulopathies in some patients, and Helen picks up on a listeners request for more information. (11.22) John Deeks, professor of Biostatistics at the University of Birmingham, is leading a Cochrane initiative into examining the evidence around testing, and rivals Carl's rant when he explains how some research is being done behind a veil of confidentiality.

(35.27) When there's a lot of uncertainty, and the stakes are very high, then tempers can flare. Vinay Prasad, hematologist-oncologist in the US, and host of Plenary Sessions podcast, joins us to talk about having a good, respectful, scientific debate.