How difficult would it be for *any* nation with a Bio-Safety Level 4 lab, not to engineer a terrifying synthetic virus, but to grow terrifying viruses from other species in human tissue in an attempt to get *Natural Selection* to develop the new strain.
A) To rank the nations most likely to do this.
B) To rank the nations most likely to have a failure in protocol leading to an accidental escape.
C) To rank the locations of the BSL-4 labs in those countries by accident likelihood.