Scientists have exhumed and pieced together the remains of the virus that caused the worst flu pandemic on record. They've found the Spanish flu of 1918 is disturbingly similar to the avian flu currently passing among birds in Asia. This new virus, like its predecessor, has made the jump from birds to humans, and health officials predict it too could start a pandemic. The 1918 outbreak hit with devasting effect and the details of how it spread are helping to shape preparations for this latest threat. NHPR's Kerry Grens looks back at what happened nearly nine decades ago in New Hampshire.
