Using scanners to screen for swine flu

Federal officials have special “front-line” technology at ports of entry in the U.S. to screen anyone coming into the country for fever. In our week...

Federal officials have special “front-line” technology at ports of entry in the U.S. to screen anyone coming into the country for fever.

In our weekly chat with CNN Washington Correspondent Brian Todd, we learn that there are some drawbacks to using thermal imaging scanners.

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