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Anthrax is the preferred biological warfare agent because:
It is highly lethal.
100 million lethal doses per gram of anthrax material (100,000 times deadlier than the deadliest chemical warfare agent).
Silent, invisible killer.
Inhalational anthrax is virtually always fatal.
There are low barriers to production.
Low cost of producing the anthrax material.
Not high-technology. Knowledge is widely available.
Easy to produce in large quantities.
It is easy to weaponize.
It is extremely stable. It can be stored almost indefinitely as a dry powder.
It can be loaded, in a freeze-dried condition, in munitions or disseminated as an aerosol with crude sprayers.
Currently, we have a limited detection capability.
What is Anthrax?
Anthrax is a naturally occurring disease of plant eating animals (goats, sheep, cattle, wine, etc.) caused by the bacterium Bacillus anthracis.
It is an illness which has been recognized since antiquity. Anthrax was common in essentially all areas where livestock are raised. Intensive livestock immunization programs have greatly reduced the occurrence of the disease among both animals and humans in much of the world, an most outbreaks occur in areas where immunization programs have not been implemented or have become compromised (primarily Africa and Asia; however, outbreaks occurred during the mid- I 990's in Haiti and the former Soviet Union).
Anthrax spores can remain viable for several decades under suitable environmental conditions; thus, absence of cases does not equate to absence of risk.
Humans can contract anthrax in three ways:
Through cuts or breaks in the skin resulting from contact with an infected animal (cutaneous anthrax), resulting in local and possibly systemic (bloodstream) infection.
From breathing anthrax spores (termed "woolsorters" disease) resulting in an infection of the lungs (inhalational anthrax).
From eating infected meat, resulting in gastrointestinal i...