Because of the current fears of influenza, the media have emphasized hand washing, which is an effective way to prevent the spread of viral illness.1 However, another technique—not touching the facial mucosa—has hardly been mentioned.2 Yet, in some individuals, it can dramatically reduce illness.
Bertsch RA. Avoiding Upper Respiratory Tract Infections by Not Touching the Face. Arch Intern Med. 2010;170(9):833–834. doi:10.1001/archinternmed.2010.96