Dyson Airblades ‘spread germs 1,300 times more than paper towels’. That said, the study only looked at Dyson Airblades and not other electric hand dryers, like the Xcelerator, which may spread viruses more effectively while assaulting your hearing. Use a paper towel.
Thanks to Hyperacusis Research Limited for the link. Hyperacusis Research Limited is a non-profit charity dedicated to funding research on what causes hyperacusis with the goal of developing effective treatment.