Via that roland whatever her name is:
Pipe-climbing bacteria might spread infection from hospital sinks | Science | AAAS
Quote:
Bacteria can thrive in p-traps, those “U bends” below sink drains that collect everything from errant earrings to lost toothpaste tube caps.
... up the pipe at a rate of about 2.5 centimeters per day to contaminate sink drain covers.
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