Antibiotic-resistant bacteria have been found in over 80 per cent of private homes in Germany, mostly in shower drains, but also in dishwashers and washing machines
Source:
https://www.newscientist.com/article/2246672-our-shower-drains-are-a-breeding-ground-for-drug-resistant-bacteria/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home