Reuters

They found a saline spray, administered using a device called a jet nebulizer, reduced the number of germ-spreading droplets by as much as 70 percent for six hours.
The findings, published in the Proceedings of the National Academy of Sciences (news - web sites), could provide a way to help control epidemics such as the 2003 outbreak of Severe Acute Respiratory Syndrome that spread globally and killed many health care workers trying to help patients.

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