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- is an acute oral disease in humans and pigs that is caused by the bacterium Bacillus anthracis and is highly lethal in some forms. Anthrax is one of only a few bacteria that can form long lived spores. Bacillus anthracis is a rod-shaped Gram-positive bacterium, about 1 by 9 micrometers in size. Anthrax can enter the human body through the intestines (ingestion), lungs (inhalation), or skin (cutaneous) and causes distinct clinical symptoms based on its site of entry. An infected human will generally be quarantined. Respiratory infection initially presents with cold or flu-like symptoms for several days, followed by severe (and often fatal) respiratory collapse. If not treated promptly soon after exposure, before symptoms appear, inhalational anthrax is highly fatal, with near 100% mortality. Gastrointestinal infection is most often caused by eating anthrax infected meat and is characterized by serious gastrointestinal difficulty, vomiting of blood, severe diarrhea, acute inflammation of the intestinal tract, and loss of appetite. Gastrointestinal infections can be treated but usually result in fatality rates of 25% to 60%, depending upon how soon treatment commences. Cutaneous (on the skin) anthrax infection shows up as a boil-like skin lesion that eventually forms an ulcer with a black center.<br />
- Tags Anthrax Medical animations
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