    Sentence 2: Vaccine makers have been. thrust. in the:  limelight~. following. governmeAt’. programmes: to  encourage-wider. vaccination, and fears:of biolegical,  attacks on civilian andimilitary targets ,    Sentence:Z: Vaccine makers-have.been thrust mito the.  limelight ‘as goveriiment: pragrams encourage wider  *vaiccination amid fears of biological attacks.         