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Biological Threats

Biological Threats

Biological agents are organisms or toxins that can kill or incapacitate people, livestock and crops. A biological attack is the deliberate release of germs or other biological substances that can make you sick. 

The three basic groups of biological agents that would likely be used as weapons are bacteria, viruses and toxins. Most biological agents are difficult to grow and maintain. Many break down quickly when exposed to sunlight and other environmental factors, while others, such as anthrax spores, are very long lived. Biological agents can be dispersed by spraying them into the air, by infecting animals that carry the disease to humans and by contaminating food and water. Delivery methods include:

Aerosols

Biological agents are dispersed into the air, forming a fine mist that may drift for miles. Inhaling the agent may cause disease in people or animals.

Animals

Some diseases are spread by insects and animals, such as fleas, mice, flies, mosquitoes and livestock.

Food And Water Contamination

Some pathogenic organisms and toxins may persist in food and water supplies. Most microbes can be killed, and toxins deactivated, by cooking food and boiling water. Most microbes are killed by boiling water for one minute, but some require longer. Follow official instructions.

Person-To-Person

Spread of a few infectious agents is also possible. Humans have been the source of infection for smallpox, plague, and the Lassa viruses. Specific information on biological agents is available through the Centers for Disease Control and Prevention.

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