UPDATE: Speaking to E! News Friday, a rep for the singer denies reports that Amy Winehouse has a life-threatening ailment.
"Our official statement from last night still stands: 'Amy has undergone more scans and tests today and we are awaiting the verdict of her doctors,' " says publicist Tracey Miller.
"I can confirm that Amy does have a chest infection, she is not coughing blood, she doesn't have TB, and she is still in the hospital undergoing more tests and following the directions of her doctors. I will let you know if we have any further updates."