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To: Washington Field From: New Orleans Re: (U) 279A-WF-222936, 03/04/2002 PU} | petieves the Ames strain was originally found in 1948 in a Cow carcass in Iowa. Now the Texas isolate from 1981 appears to have been mislabeled. The Texas issue is a big break and may narrow down the sources of the material used in the letters. Whoever prepared the letters definitely got it from a laboratory. There are actually a couple of genotypes sitting in the soil in Texas, and that is too big a coincidence. Isolating it from the soil is too complex. procedure may differentiate between the 1948 Ames from Iowa and the 1981 Texas sample. as very few anthrax experts. were affiliated with Level II agencies and did have anthrax in thei The isolation work is all done by technicians. ici out the work rr ~ — does not know if ut it is definitely at (U)[- sas interviewed on February 21, 2002 and provided the following information: as been employed at where work involves 22