A government advisory board said on Friday that for now, children will not be given an anthrax vaccine.

A review released Tuesday by a panel of scientific experts casts doubt on FBI evidence that Bruce Ivins, a US Army researcher, committed the deadly anthrax mailings of 2001.

By Dan Vergano and Steve Sternberg The FBI never examined anthrax samples from the 2001 contamination of a biodefense lab that was covered up by their lead suspect in the anthrax mailings -- a decision that one of the FBI's leading anthrax experts calls "weird." Researcher Bruce Ivins in 2002 confessed to cleaning up the office contamination without telling anyone during an Army investigation at the U.S.

WASHINGTON - The anthrax killer spurred a whole new branch of science that could give the nation a head start in the next emergency - whether it's investigating more bioterrorism or even a food poisoning outbreak.

By Lara Jakes Jordan and Matt Apuzzo Associated Press WASHINGTON -- The murder weapon was a flask.