But some Wall Street analysts said news of the latest investigation gave considerable new reason for concern.

The latest official investigation may mark a new approach.

The officials expressed fears that the latest investigations could have the same effect.

The latest investigation could not come at a more difficult time for Tyson Foods.

The authority refused to release a report on the latest investigation.

The latest investigation has opened a rare window into a huge business of corporate middlemen.

But at least one farming area has already made its mind up, ahead of the latest investigations.

Almost daily, we read about the latest investigations into the possible causes of this dread disease.

Reassured, he added the medical data of this latest investigation to the private file.

As the final report of the latest investigation made clear last week, it is striking how closely history repeated itself in these two tragedies.