Fist bump, handshake, high-five: Which spreads the most germs? - CBS News
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How germy are popular ways of greeting? Study compares handshakes, high-fives and fist bumps, and finds a big difference
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2011 VSB Media Report by Villanova School of Business - Issuu
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Attention Germaphobes: A Less Icky Alternative to the Handshake - ABC News
Stockholm School of Economics - Did you know that a high five spreads half the amount of germs that a handshake does*? And a fist bump only 1/20? Handshakes are germy greetings –
High five - Wikipedia
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Fist bump' better than handshake for stopping spread of germs: study - 9Coach
Fist bumps cleaner than handshakes
Why a high-five or a 'fistbump' is more hygienic than a handshake
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