Another Indonesian woman died on Monday because of the bird flu virus, according to Indonesian Health Minister Siti Fadilah Supari.

Karwati, 27, died at 3:45 a.m. in a designed bird flu disease hospital of Sulianto Suroso here after treated in intensify care unit for four days.

"Two laboratory tests result are positive, so we said that she died because of bird flu," Fadilah told Xinhua in telephone.

The minister said she was the sixth person that died of the H5N1 virus in Indonesia, four of whom have been confirmed by the World Health Organization.

The fifth person is Riska Sihaputar, 5, died after being treated a day in the hospital last week. She was moved from another hospital in the city, according to the ministry spokesman named only Sumardi.

The minister said currently about 40 people being treated in hospitals in the country were suspected of having the lethal disease.

Among the patients, 4 of them have recovered and returned home.

The H5N1 virus has so far killed 64 people in Asia.

In Indonesia, it has spread to 21 provinces out of 33 since late 2003.

Source: Xinhua