 FACT: VX in liquid form, as presumably shown in the film by the  small balls containing the substance, does not take effect  immediately. After absorption through the skin and/or mucous  membranes, it takes approx 1 to 2 hours before visible nerve agent  symptoms begin to show. However, if a person is exposed to the  aerosol form of VX, effects are immediate. In either case, the  symptoms of VX poisoning resemble more of a full