'Defective' virus surprisingly plays major role in spread of disease

Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of a virus, now appear able to play a much more important role in the spread of disease, biologists show. Life scientists report for the first time a significant link between a defective virus and an increased rate of transmission of a major disease.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/8...