Officials worry anthrax could be deployed by non-state actors like terrorist groups, such as through letter attacks, and the ...

"If I were a terrorist, I would want to engender fear ... told CBS' "Face the Nation" on Sunday "our system is under-prepared" if anthrax is used as weapon of mass destruction.

Anthrax, however is endemic around the world ... Virtually all the nations on the State Department's list of countries that support terrorism are also assessed to be developing biological and ...

Since September 11, 2001, federal, state, and local government agencies' emergency response planning has focused on possible terrorist attacks ... letters containing anthrax spores were mailed ...

RNA strands are in the upper right. Tightly packed segments of released RNA float through the cell. Though smallpox and anthrax loom as the likeliest boogeymen in a bioterrorism nightmare, the rare ...