Interaction among multiple selective factors and evolution at multiple levels assures unpredictability. One thing is certain: the simple expectation of disease eradication was never possible.
Well put: "Interaction among multiple selective factors and evolution at multiple levels assures unpredictability. One thing is certain: the simple expectation of disease eradication was never possible."
Well put: "Interaction among multiple selective factors and evolution at multiple levels assures unpredictability. One thing is certain: the simple expectation of disease eradication was never possible."