Below is reproduced a short contiguous passage from a chapter written by Steven Block which in part addresses the topic of transmissible GM viruses in the environment.
S. Block. Chapter 2, Living Nightmares: Biological Threats Enabled by Molecular Biology Pages 39-76 in Drell, Sidney D., Abraham D. Sofaer, George D. Wilson, and Hoover Institution on War, Revolution, and Peace, eds. The New Terror: Facing the Threat of Biological and Chemical Weapons. Hoover National Security Forum Series. Stanford, Calif: Hoover Institution Press, 1999.
Additionally, training as an evolutionary biology is based on looking across timescales to understand what has probably occurred and what might potentially occur in the future.