involved. poor or no airflow is obviously one factor. confined spacesis obviously one factor. confined spaces is another. lower temperatures as well, which can allow the virus to stick around for longer. these are factors which can play a part. as we go into winter and people are spreading more time indoors, it is important that we do keepin indoors, it is important that we do keep in mind that where we can have more airflow and more spacing, that s really going to help. john, from the financial that s really going to help. john, from the financial times, - that s really going to help. john, from the financial times, good i that s really going to help. john, | from the financial times, good to talk to you. thank you very much. the man deposed as sudan s prime minister during last month s military coup has been reinstated. abdalla hamdok signed a deal with the country s military leaders to establish a cabinet. but there ve been violent protests in the capital, khartoum, where thousand