There is a worldwide two-pronged effort to fight drug resistant microbes. One of them is the all-hands-on deck effort to find and test new antibiotics. The other is to make sure people don't come in contact with potentially deadly bugs in the first place. And some of the buggiest places are areas where lots of people are crowded together, like buses, and subway cars. Now some new technology may be able to reduce the threat. VOA's Faith Lapidus reports.
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