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Anthrax meningoencephalitis is also nearly always fatal. [72] Gastrointestinal anthrax infections can be treated, but usually result in fatality rates of 25% to 60%, depending upon how soon treatment commences. Injection anthrax is the rarest form of anthrax, and has only been seen to have occurred in a group of heroin injecting drug users. [70]
The 2001 anthrax attacks, also known as Amerithrax (a portmanteau of "America" and "anthrax", from its FBI case name), [1] occurred in the United States over the course of several weeks beginning on September 18, 2001, one week after the September 11 attacks.
In September 2001, letters containing anthrax spores were mailed to several news media offices and two U.S. Senators, killing five people and infecting 17 others. Of those infected, 11 developed cutaneous anthrax, while 11 developed inhalation anthrax. 20 of the 22 infected worked at a site where contaminated mail was handled or received. [7]
The symptoms in anthrax depend on the type of infection and can take anywhere from 1 day to more than 2 months to appear. All types of anthrax have the potential, if untreated, to spread throughout the body and cause severe illness and even death. [24] Four forms of human anthrax disease are recognized based on their portal of entry.
The powdered anthrax was able to disperse into the air without being detected and eventually inhaled. [1] [3] 43 people tested positive to anthrax exposure and 22 cases of anthrax illness were diagnosed, where 11 were inhalation anthrax and 11 were cutaneous anthrax. Five people from this group died.
Anthrax is a disease caused by Bacillus anthracis, a spore-forming, Gram positive, rod-shaped bacterium (Fig. 1).The lethality of the disease is caused by the bacterium's two principal virulence factors: (i) the polyglutamic acid capsule, which is anti-phagocytic, and (ii) the tripartite protein toxin, called anthrax toxin.
The Anthrax Attacks is about the 2001 anthrax attacks and the ensuing FBI investigations into it. In a biological attack that started one week after the September 11 attacks, five people were killed and at least 17 people were injured. [1]
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