1.   Amid heightened concern over bioterrorism, the debate over whether to revaccinate the nation against smallpox comes to Atlanta this week.

2.   And the heightened concern about these few families implicitly raises questions about the tens of thousands dropped from welfare before them without nearly as much thought.

3.   Banks have become careful about lending to weaker institutions, because of heightened concerns over credit risk, analysts said.

4.   Both cases happened to be death penalty appeals, coming at a time of heightened public concern over the fairness of the way capital punishment is applied.

5.   A government report published Thursday showing export growth is slowing heightened concern the economy is cooling.

6.   Airports opened for business but shut down within hours amid heightened concerns about safety.

7.   But the new research has also heightened long-standing concerns about the dangers associated with these drugs.

8.   Canadian government bonds fell after U.S. economic reports heightened concern the Federal Reserve may raise interest rates to slow growth and damp inflation.

9.   Canadian stocks fell for a second day, sent lower by banking issues after bond yields plummeted when U.S. economic reports heightened concern interest rates will rise.

10.   Consumers may also be reluctant to spend amid heightened concerns interest rates may have to rise to quell accelerating economic growth.