Although it's surfacing anew as a terrorist weapon, the deadly anthrax disease has plagued the world for centuries, with reports of it dating back to biblical times.
Report on the anthrax outbreak which affected 94 people and killed at least 64 in the Soviet city of Sverdlovsk that was revealed by President Boris Yeltsin, in 1992, to be the result of military activity at a biological weapons facility.
Describes how a room is swept for anthrax, tested, decontaminated and cleaned.
Commentary on the incidents at the Sun tabloid in Florida, NBC news in New York, and Microsoft facilities in Nevada.
Text of the post card being mailed to all American households with advice on what to do if it's suspected that a letter or package may contain a harmful biological agent. [English/Spanish]
Statement about the letters mailed to Florida, New York, and Washington, D.C., including images of two of the letters.
The country's largest pharmaceuticals company says that it is ready to increase production of a cheaper, generic form of Cipro as soon as it receives the necessary approval. Hong Kong.
What constitutes suspicious mail, what to do, poster [PDF], and health links.
Latest and archived news, interactive guide [Flash required], advice, victims' accounts, commentary and analysis, background information, and discussion forum. United Kingdom.
Scientific analysis of the spores and envelopes from the fall 2001 U.S. incidents lead to some surprising discoveries.