Story from a former colleague. He was an IT consultant working away from home and noticed a nasty red swelling on his leg. It was more than a mere spot, and he was sufficiently concerned that he had it checked out at the local casualty department. They looked at it and asked if he'd been gardening in the previous 10 days or so. He had indeed been pruning his roses and it was a potentially serious infection from a rose thorn. He needed to stay in hospital for intravenous antibiotics. He told them he was working away so would it be OK to be booked into hospital back home in Manchester; him being in Kent or somewhere at the time. "How long will it take you to get back to Manchester?" . "About six hours". "You'll be dead in six hours". "Ah, OK. Perhaps I'd better stay here then". The drew lines on his leg to show where the redness had got to and checked hourly to see if they were winning or losing vs the originally drawn marks. He lived to tell the tale !
Another work colleague had similar and only just survived at the cost of his arm being amputated. He was likely immuno surpressed after cancer treatment. He had already lost a leg from cancer as a teenager a guy who'd had more than his share of bad luck.
A university friend's boss died of septicaemia from a splinter from building a greenhouse and another friend's mother from a gardening splinter similar to the above incidents. Both these had been in perfectly OK health as far as I know.
Anyhow I'm quite paranoid about splinters and infected minor cuts. Anecdote is not data, but two deaths and two near deaths of people I know or nearly know is pretty convincing
Beware thorns and splinters !