Fliers Must Dodge Hidden Germs

The longer you're on a packed airplane, the greater the chance you'll walk off sick. A lot of travelers blame stale recycled air. But scientists say that's not the problem. Most larger planes now have special systems that filter out germs and let some outside air in. "The problem is actually your [fellow] passengers that are seated in proximity to you," said Dr. Philip M. Tierno, Jr., director of clinical microbiology and diagnostic immunology at New York University Medical Center. "The closer...Full Story
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