nal anthrax, which is caused by ingestion of contaminated meat. The last type is inhalation anthrax, which is the type used in biological weapons. It is caused by the inhalation of anthrax spores and it is the most deadly type of the disease. One of the most effective defenses against inhaling the deadly spores is a properly worn gas mask. The DOD fears that by the time an attack is detected, it will be too late to don protective clothing. Theory suggests that immunization may be the only chance of surviving an attack.
             With so many biological weapons in production, one may wonder why bother with a vaccination that is only going to protect personnel against one type
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