Exercise cygnus predicted - four years ago - that in the event of a flu-like viral pandemic the NHS would be overwhelmed and there would be not enough personal protective equipment (PPE) for NHS workers.
The findings were so "terrifying" that the report was suppressed / never published.
www.telegraph.co.uk/news/2020/03/28/exercise-cygnus-uncovered-pandemic-warnings-buried-government/
a second link with no paywall:
www.wsws.org/en/articles/2020/03/28/cygn-m28.html