How are biological agents disseminated?
The biological agents, can expose a large population by esposing them to a breathable, aerosol. An airborne cloud of particles would be inhaled in our respiratory tracts/lungs. Mass casualties on a battlefield through contamination of food or water would be difficult, though the oral method is another way that biological agents can enter our bodies. A terrorist trying to produce hundreds of thousands of casualties with biological agents would need to develop an aerosol cloud, not just spray material into the air or let it escape from a container as was done with a crude chemical agent in the Tokyo subway. Among the events increasing the threat level are the 20 March, 1995 Sarin (chemical weapon) attack on the Tokyo subway, followed by the attempted hydrogen-cyanide assault on the Tokyo subway on 5 May 1995. The presence of sodium cyanide residue in the debris of the World Trade Center bombing in New York City also raises domestic concern. In the biological area, was the incident of the
