The NHS does have a problem that it is built as a collection of individual trusts all using their own IT systems and after decades has an issue with transferring data between trusts.
So that's why an interconnected system is required in order to share data between the trusts while maintaining compatibility with their existing processes
The solution here is quite obviously unifying the NHS IT under a single system, not cobble together another one to interface between all the old incompatible ones.
So that's why an interconnected system is required in order to share data between the trusts while maintaining compatibility with their existing processes