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Anthrax is spread by contact with the bacterium's spores, which often appear in infectious animal products. [10] Contact is by breathing or eating or through an area of broken skin. [10] It does not typically spread directly between people. [10] Risk factors include people who work with animals or animal products, and military personnel. [3]
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.
Anthrax toxin is of the form A 2 B, where the two enzymes, EF and LF, are the A components and PA is the B component. PA is necessary for the enzymatic components to enter the cell. It does this by the formation of pores that span the cell membrane, allowing the entry of the toxin, though the mechanism is not fully understood. [3]
Anthrax usually affects livestock like cattle, sheep and goats, as well as wild herbivores. Humans can be infected if they […] The post Five African countries suffer anthrax outbreaks, with 20 ...
The bacteria may live in the soil for decades, and result in outbreaks which usually occur after periods of drought followed by heavy rainfall. Anthrax can be transmitted between livestock ...
Five countries in East and southern Africa are in the middle of outbreaks of the anthrax disease, with more than 1,100 suspected cases and 20 deaths this year, the World Health Organization said ...
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]
Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.