Anthrax vaccines intended for animals should not be used in humans.

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According to the Department of Health report, when vaccines against anthrax and pertussis (whooping cough) were administered simultaneously to animals, it resulted in a severe loss of weight and deterioration in their physical condition.

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Antibodies are believed to be more effective than both vaccines and antibiotics at countering bioterror threats such as anthrax and inhalation plague.

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