I tell the IT healthcare professional that I’m going to Bara. He tells me to look at the floors. “If the hospital is working properly, the floors will be clean,” he says.

For any story about healthcare and technology, it seems right to start at Chris Hani Baragwanath. It’s one of the biggest hospitals in the world – about a kilometre long – which is not immediately apparent as you enter the admin block, sheathed as it is when I visit in a faded advertising wrap.