For what it is worth, RBS does not believe that the issue raised by many - that all the banks have creaking ancient and complex computer systems, on to which they are constantly grafting updates - is the core weakness.

BBC: Is outsourcing the cause of RBS debacle?

While the research could help inform practices in older NHS buildings, many newer UK hospital buildings feature no opening windows and complex computer-controlled ventilation systems.

BBC: Closing hospital windows 'increases infection risk'