There is cause for concern. Certainly when management try and cover things up......
https://www.bbc.co.uk/news/uk-england-essex-64216867
You cannot dismiss it and all respect should be given to those being around it daily.
BPR have a system that destroys it and is very clever, the chances of NHS spending money on it though???

30 years since the Chernobyl disaster and yet we still have no super heroes or zombies.