41.   Officials were seeking to determine whether other tainted letters were in the mail system.

42.   Rowland said the letter went through the New Jersey machine within seconds of one of the two tainted letters sent to Sens. Tom Daschle and Patrick Leahy.

43.   The FBI is investigating, but has not yet determined the source of the tainted letters.

44.   The only known tainted letter was delivered to the office of Senate Majority Leader Tom Daschle.

45.   There have been no new cases of anthrax infection for weeks, but officials are still dealing with fallout from those exposed to the tainted letters during the fall.

46.   Three tainted letters have turned up with postmarks from Trenton, New Jersey.

47.   Two postal workers have died and others have been sickened by anthrax since tainted letters addressed to the news media and members of Congress began appearing.

48.   Two postal workers have died and others have been sickened by anthrax since tainted letters began appearing addressed to the news media and members of Congress.

49.   That letter is nearly identical to another tainted letter sent to Senate Majority Leader Tom Daschle.