Reuters...
Imagine other public buttons you press, like on a telephone, elevator or ATM.
A study by British consumer magazine "Which? Computing" asked a microbiologist to examine 33 keyboards in a typical London office, a toilet seat and a toilet door handle, for bugs generally found in unhygienic places.
Four keyboards were judged potential health hazards and the microbiologist recommended the removal of one keyboard as it had 150 times the pass limit of bacteria -- five times filthier than the swabbed toilet seat.
Four keyboards were judged potential health hazards and the microbiologist recommended the removal of one keyboard as it had 150 times the pass limit of bacteria -- five times filthier than the swabbed toilet seat.

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