Staphylococcus epidermidis has evolved in Australia to be resistant to two unrelated, major antibiotics. It seems to be heading the way of Europe where it is resistant to all antibiotics.
The current guideline for treating infections uses a combination of these two major antibiotics because they have been thought to protect one another against developing resistance.
https://www.sbs.com.au/news/new-drug-resistant-superbug-spreading-in-victorian-hospitals
Having an operation is becoming more and more of a risk.