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Information about Ames Strain

The Ames strain is one of 89 strains of the anthrax bacterium (Bacillus anthracis). It was isolated from a diseased cow that died in Texas in 1981.[1] Researchers at the time mistakenly believed the strain came from Ames, Iowa and mislabeled the specimen.

The Ames strain came to wide public attention in association with the 2001 anthrax attacks. Seven letters mailed to media outlets and US Senators on September 18, 2001 and October 9, 2001 contained anthrax bacteria of this particular strain. This strain is a monomorphic disease, mutating slowly if at all.

Because of its virulence, the Ames strain is used by the United States as a "gold standard" for development of vaccines and testing their effectiveness, starting at 1980s after the work with weaponizing the Vollum 1B strain ended and the weaponized stocks destroyed after the end of U.S. biological warfare program in 1969. [2]

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strain is used in three related ways.

Microbiology/Virology

A strain is a genetic variant or subtype of a virus or bacterium. For example, a "flu strain" is a certain biological form of the influenza or "flu" virus. Compare clade.
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Anthrax
Classification & external resources

Microphotograph of a Gram stain the bacterium Bacillus anthracis which causes anthrax.
ICD-10 A 22.
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Bacteria

Phyla

Actinobacteria
Aquificae
Chlamydiae
Bacteroidetes/Chlorobi
Chloroflexi
Chrysiogenetes
Cyanobacteria
Deferribacteres
Deinococcus-Thermus
Dictyoglomi
Fibrobacteres/Acidobacteria
Firmicutes
Fusobacteria
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B. anthracis

Binomial name
Bacillus anthracis
Cohn 1872

Bacillus anthracis is a Gram-positive, facultatively anaerobic, rod-shaped bacterium of the genus Bacillus.
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State of Texas

Flag of Texas Seal
Nickname(s): Lone Star State
Motto(s): Friendship.
Before Statehood Known as
The Republic of Texas

Official language(s) No official language

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Ames
Main Street in downtown Ames in 2006
Location in the State of Iowa
Coordinates:
Country United States
State Iowa
County Story
Incorporated 1864
Government
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2001 anthrax attacks

A letter sent to Senate Majority Leader Tom Daschle containing anthrax powder killed two postal workers
Location New York City, New York, Boca Raton, Florida and Washington, D.C.
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For the album by Only Crime, see Virulence (album)
Virulence refers to the degree of pathogenicity of a microbe, or in other words the relative ability of a microbe to cause disease.
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A vaccine is an antigenic preparation used to establish immunity to a disease. The term derives from Edward Jenner's use of cowpox ("vacca" means cow in Latin), which, when administered to humans, provided them protection against smallpox, the work which Louis Pasteur and others
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For the use of biological agents by terrorists, see bioterrorism.
Biological warfare (BW), also known as a germ warfare, biological weapons, and bioweapons
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Also:
*:1969 (number)
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