Toxicological trivia from October 15, 2009: Which of the following agents non falls within Category A or high priority, which can have a major negative impact on society for being easily transmitted person to person, cause high mortality , cause panic and social disruption and require special action for preparedness and response for public health. a) Smallpox (Variola major) b) Anthrax (Bacillus anthracis). c) Brucellosis (Brucella species)