Medical researchers have been studying everything we know about Covid-19. What have they learned – and is it enough to halt the pandemic?

‘Due to the unprecedented and ongoing nature of the coronavirus outbreak, this article is being regularly updated to ensure that it reflects the current situation as best as possible. Any significant corrections made to this or previous versions of the article will continue to be footnoted in line with Guardian editorial policy.’

Read here (The Guardian, April 15, 2020)