http://8mo.web2announcer.com/ Web 2.0 announcer top stories for Mo. en Tue, 01 May 2007 06:12:46 GMT http://web2announcer.com/go/1682550 unknown@Netscape.com Saint Louis University said Monday it will lead a national study of a new vaccine for smallpox, once one of the world's most feared diseases and now considered a threat to re-emerge as a bioweapon. Tue, 01 May 2007 06:12:46 GMT http://web2announcer.com/go/1682550Mo.universityleadSmallpoxstudyNews