KAYE: The E. coli outbreak in Europe has claimed another life, raising the death toll there to 23. And authorities still don't know the source. Our chief medical correspondent Dr. Sanjay Gupta has been following this story. Sanjay, should Americans be worried?</s>DR. SANJAY GUPTA, CNN CHIEF MEDICAL CORRESPONDENT: Well, Randi, it appears that people of the United States probably are not that much at risk any longer. We know that four people were infected, but they had all traveled to Germany. But because of the fact that there's so much attention on this, an increased sense of vigilance and people paying more attention, it's unlikely that we're going to see more or many more cases certainly here in the United States. We know that this is a rare form of E. coli, particularly what virulent form in medical</s>KAYE: All right. Thanks, Sanjay, for the update. The wounds of Yemen's president may be far more serious than previously known. A live report on President Saleh's condition and the fighting in Yemen, right after this.
Unknown Source in European E. Coli Outbreak