31.   The government refused to comment on a possible anthrax connection.

32.   The hoaxes have become a serious headache for law enforcement officials who are overwhelmed by calls from worried Americans about possible anthrax contamination.

33.   The hoaxes have become a serious headache for law enforcement officials, who are overwhelmed by calls from worried Americans about possible anthrax contamination.

34.   The Turkish military on Thursday asked troops to be vigilant against possible anthrax attacks on barracks.

35.   Anthrax bacteria routinely attack livestock, which can be protected by a vaccine, but can also attack humans, giving rise to fears of possible anthrax terror attacks.

36.   Anthrax bacteria routinely attack livestock which can be protected by a vaccine, but can also attack humans, giving rise to fears of possible anthrax terror attacks.

37.   Routine tests Monday had indicated a possible anthrax contamination but a second test produced a negative result.