over at the hamburg university of applied sciences professor dr schulte says viruses may stay in the cabin air for up to 15 minutes exposing passengers to infection risk. going to the aviation industry makes 3 claims firstly filters an aircraft might be air as clean as an operating room and secondly the air is completely exchanged every 2 to 3 minutes thirdly the air only moves from top to bottom in the cabin all 3 are just not sure. it could be that current safety standards and filtration techniques are not as good as many may think meaning the possibility of catching coronavirus when flying could be more up to chance than anything else. let's take a closer look at ventilation and the virus joining me now is paul linden he's professor of fluid mechanics at cambridge university paul it's good to have you on the show sort of the obvious question winter is approaching in northern in the northern hemisphere what's the best thing that someone should keep in mind about ventilation in rooms well it's obviously a challenge the winter because. you have to see is to close up buildings and ven

over at the hamburg university of applied sciences professor dr schulte says viruses may stay in the cabin air for up to 15 minutes exposing passengers to infection risk. the i want us to want to look for the aviation industry makes 3 climbs firstly filters an aircraft to make the air as clean as an operating room for them secondly the air is completely exchanged every 2 to 3 minutes thirdly the air only moves from top to bottom in the cabin all of 3 are just not sure. it could be that current safety standards and filtration techniques are not as good as many may think meaning the possibility of catching coronavirus when flying could be more up to chance than anything else. let's take a closer look at ventilation and the virus joining me now is paul linden he's professor of fluid mechanics at cambridge university paul it's good to have you on the show. with the obvious question winter is approaching in northern in the northern hemisphere what's the best thing that someone should keep in mind about ventilation in rooms well it's obviously a challenge the winter because. you have to se