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oct 1, 2001 - Strain is Identified- Ames Strain

Description:

Northern Arizona University microbiologist Paul Keim discovered that the strain of anthrax used in the letters is called the Ames Strain, that is derived from cows in Sarita, Texas 1981.

Added to timeline:

2 Feb 2020
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Date:

oct 1, 2001
Now
~ 24 years ago