Anthrax tests show resilience of spores
The anthrax spores that settled on floors and desks in the office of the Senate majority leader, Thomas Daschle, can be stirred up and made airborne again much more easily than had been thought
The anthrax spores that settled on floors and desks in the office of the Senate majority leader, Thomas Daschle, can be stirred up and made airborne again much more easily than had been thought