41.   Relman is working on ways to identify the pathogens in a biological attack.

42.   Researchers have suggested that if the danger of biological attack persists, the foam could eventually be made available in public places in containers resembling fire extinguishers.

43.   Scientific knowledge about biological attacks is limited because so few have occurred.

44.   So for a biological attack, experts agree, warning systems are crucial.

45.   States also can receive money to prepare for a biological attack, including modernizing hospitals to respond to biological outbreaks.

46.   Still, a determined country could launch a biological attack on its neighbors using missiles, artillery or aircraft mounted with spraying tanks.

47.   Such training could be irrelevant in a biological attack.

48.   The anthrax incident now appears to be only the second successful biological attack documented on U.S. soil.

49.   The germ warfare accord would cause the Pentagon to give up more than it gets in terms of protection from biological attack, the administration claims.

50.   The lab will allow researchers to develop ways to detect biological attacks on poultry.