Bioscience:Secrets of the Sequence（21）
The war on terrorism has brought some new realities to all of us. One of them is the possibility of biological attack. Terrorists might well try to release lethal germs — viruses and bacteria — in densely population areas， which would wreak havoc. A frightening scenario! There is protection against many of these powerful agents in the form of vaccines. The problem is availability and safety. This is what everyone is afraid of.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/29 9:24:39