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Why Silk May Be Added to Vaccines Someday, Tufts University Study  
7/10/2012 7:39:13 AM

Silk is in neckties, scarves and some fancy underwear and pajamas. Before too long, it might just help keep people from getting sick with measles or polio. Vaccines play an important role in health, but can be tricky to transport to the far corners of the world. Many vaccines and some other drugs require constant refrigeration — from the factories where they're made to the places where they're ultimately injected into people.