Amy Winehouse has tested negative for TB in a London hospital - but doctors are still stuggling to diagnose her mystery ailment.
The star has been in hospital since Monday when she collapsed at her home. She has been reported to be coughing up blood.
According to The Sun newspaper today, has been in an isolation ward since she was rushed to hospital. Friends and family have been barred from seeing her with only her father Mitch allowed into her room until the source of her ailment is discovered.
The damaged star is still desperate to play both Glastonbury and Nelson Mandela's 90th birthday celebration in London next weekend. However, it remains unclear if she will be discharged by then or if she'll be well enough.
