KENT WOOD / SCIENCE PHOTO LIBRARY KENT WOOD / SCIENCE PHOTO LIBRARY
Anthrax bacteria. Coloured light micrograph of anthrax bacteria (Bacillus anthracis). Anthrax can infect humans and livestock. There are three main forms of the disease. Cutaneous (skin) anthrax causes a raised, itchy lesion at the site of entry of the bacteria. Antibiotic drugs can cure the disease, but it may be fatal if left untreated. Gastrointestinal anthrax is more serious, causing vomiting of blood and severe diarrhoea. Pulmonary (lung) anthrax, caused by inhaling the bacteria, is fatal in most cases unless treated soon after exposure. In 2001. USA killed 5 people. Magnification: x570 when printed 10cm wide.
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