Disease-causing viral combinations
Nature: Diseases stemming from viral combinations of two viruses (which, of themselves would not be significant enough to cause infection) are potentially move dangerous than diseases caused from a single virus. This discovery - called piggybacking - is forcing medicine to take a new look at formally understood problems.
Problem Type: E: Emanations of other problems
Date of last update 01.01.2000 – 00:00 CET