With the threat of "No Deal Brexit" refusing to go away, the UK government is busily resisting many proceedings, including Parliamentary calls to publish the full scale of its own fears for what might happen, codenamed Operation Yellowhammer  (it's actually a bird). 

And, yes, that operation is, literally, 'on the NHS'.

Rather than boring you with a repeat of previous recommendations, I merely suggest you re-read them with 31 October 2019 in mind as the possible Brexit Day (or some date in 2020, 2021, 2022, 2023...)