Ministry of Agriculture has announced quarantine has been lifted in all areas affected by the avian flu on the Chinese mainland as an avian flu-affected area in southwest China was declared safe by local government earlier Friday.

Citing a report from the Quizhou provincial government, the ministry said quarantine was lifted Friday morning in a bird flu-hit area in southwestern Guizhou Province following all live bird were culled and no new case was reported in the epidemic area during the past 21 days.

Prior to the move, quarantine in 32 of the 33 areas hit by the disease on the mainland had been lifted by local governments after their epidemic situation was brought under control.