1.   As worrisome as anthrax is, the government has begun preparing for a possible bioterrorism threat that is even worse.

2.   But Henderson stressed that the vaccine would be injected only if the bioterrorism threat materialized.

3.   But with suspicious letters now appearing around the country, there are still doubts about how effectively the system deals with bioterrorism threats.

4.   Doctors in all types of practices are taking bioterrorism threats seriously since this anthrax insanity started.

5.   His theme was that a growing bioterrorism threat would require pre-emptive strikes against shadowy terror networks and any nations that might supply them with weapons of mass destruction.

6.   How well could the federal government respond to a real bioterrorism threat?

7.   In contrast, the law enforcement and military communities appear comparatively determined and direct in their views of the bioterrorism threat and their desired responses to it.

8.   In an interview with Richard Danzig, a former secretary of the Navy, about the bioterrorism threat, we came to an arcane point of military strategy.

9.   Nonetheless, there was an unshakable sense that the bioterrorism threat may be worse than previously suspected.

10.   The findings were reported at a meeting that the Centers for Disease Control and Prevention convened here to discuss urgent research needs for anthrax and other bioterrorism threats.