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The traditional greeting of a handshake could be responsible for spreading bugs and bacteria, according to a study by Aberystwyth University.
Scientists there carried out research, published today in an American scientific journal, which revealed up to ten times more e-coli can be passed on by a handshake, compared to more modern greetings of a high-five or a fist-bump.
Bumping fists may be a more hygienic greeting than shaking hands, experiments at Aberystwyth University have revealed.
Using rubber gloves and a thick layer of E. coli, scientists at the university exchanged handshakes, high-fives and fist-bumps.
Their results revealed the transfer of potentially disease-causing bacteria is highest during a handshake.
This was reduced by more than half in the high-five, with germ transfer a whopping 90% lower when bumping fists.