A 44-year-old woman from Indonesia's Sumatra island has died of bird flu, raising the toll in the nation worst affected by the disease to 87, the health ministry said Monday.The woman died at the general hospital in Pekanbaru, central Sumatra. Two samples taken from the woman tested positive for the H5N1 virus, the health ministry's bird flu information centre said in a press release.'The total number of cumulative Avian Influenza human cases in Indonesia is 108, with 87 deaths,' the centre said in the statement.The woman, who was first treated at a clinic on October 1, was moved to a private hospital in Pekanbaru the next day before being transferred to the state referral hospital for bird flu cases, the centre said.The statement said the victim died on Saturday, though a doctor at the state hospital said she died Friday.The ministry statement said it had not confirmed if the woman had been in contact with infected poultry, the usual method of transmission.