41.   The federal announcement Thursday elicited both relief and frustration from the reproductive health groups that have received the anthrax threats.

42.   The latest anthrax threat prompted a rapid security crackdown on Capitol Hill.

43.   The lack of answers amid an anthrax threat that worsens daily had Bush administration officials struggling to defend claims they were unprepared and are now being overly cautious.

44.   The mail, initially disrupted by the anthrax threat, is being delivered again.

45.   The latest twist came late last week when the House shut down because of the anthrax threat.

46.   The rally by a number of environmental groups, was held to show support for postal workers affected by the current anthrax threat.

47.   The relationship between news media coverage of biological warfare and the number of false anthrax threats reported each year was striking, Pate said.

48.   The serious work of separating anthrax threats from anthrax hoax relies on laboratory art as well as science.

49.   The visit was an important morale booster for an agency that has been in overdrive to respond to the anthrax threat.

50.   This tentative separation of the anthrax threat from the terror bombings serves to demystify Osama bin Laden.