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To: Snowshoe who wrote (26)	10/25/2001 5:52:06 PM
From: Jill	Read Replies (1) \| Respond to of 827

I'm fairly certain the spores can be different sizes. Kind of like eggs come in medium, large & extra large. That's why they say the larger spores tend not to lodge in the lungs. But it's a good ? and somebody will hopefully verify.

To: Snowshoe who wrote (26)	10/25/2001 6:56:29 PM
From: RocketMan	Read Replies (1) \| Respond to of 827

My understanding (not being a medical person) is that anthrax spores vary between 1 and 6 microns in diameter. On top of this, you can have clustering due to electrostatic attraction, with many spores clumping together, giving particles much larger than can be ingested. To weaponize anthrax, therefore, you need to deal with the electrostatic clustering, with the aid of a neutral fine powder to separate them, and then filter out the larger spores to leave spores under 5 microns.