up in the house. you only need to open up the window for a couple of minutes every hour to disperse those virus particles. minutes every hour to disperse those virus particles- virus particles. thank you very much for that advice. virus particles. thank you very much for that advice. and virus particles. thank you very much for that advice. and stay virus particles. thank you very much for that advice. and stay safe - for that advice. and stay safe yourself over christmas and i hope yourself over christmas and i hope your colleagues recover quickly. sport and for a full round up, from the bbc sport centre. good morning. bothjurgen klopp and antonio conte have asked for the efl cup semi finals to be one off matches instead of over two legs. they want to try and ease the fixture congestion caused by the increasing number of covid cases among squads, while klopp says managers are meeting the premier league today to discuss the issue. nine of the last 20 league games have been postp