"Gesundheit!" sneezing, common colds, allergies, and Staphylococcus aureus dispersion.
Bischoff WE, Wallis ML, Tucker BK, Reboussin BA, Pfaller MA, Hayden FG, Sherertz RJ. "Gesundheit!" sneezing, common colds, allergies, and Staphylococcus aureus dispersion. J Infect Dis. 2006 Oct 15; 194(8):1119-26.