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Jan 26, 2009 | 14
You can cut your risk of contracting the flu or other respiratory viruses by as much as 80 percent by wearing a mask over your nose and mouth, according to a new study.
"This is the first clinical trial to show a positive effect of masks on preventing the transmission of respiratory viruses," says Raina MacIntyre, an epidemiologist and head of the School of Public Health and Community Medicine at the University of New South Wales in Sydney, Australia, and lead author of the study published today in Emerging Infectious Diseases, the journal of the Centers for Disease Control and Prevention (CDC) .
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