a virus but have been unable to isolate it.
If scientists do locate the Alzheimer virus, their task will have only just begun, notes Trubo. What will they do with it? The Creutzfeldt- Jakob virus, for example, does not trigger an immune reaction from the body-a prerequisite for manufacturing antigens.
"It could be that all of us are infected sometime during our lives" with Alzheimer's virus, suggests Dr. David Kingsburg, a virologist at the University of California, Irvine. Yet some...