GUANGZHOU, Jan. 20 -- Another H7N9 avian flu patient had died after treatment failed in south China's Guangdong Province, according to a statement from the provincial health authorities on Monday.

The patient, surnamed Yang, died at 4:10 a.m. on Sunday due to respiratory failure, the statement said.

It was the third death in a human H7N9 case in Guangdong since August, when the disease resurged in China.

The statement also said two patients were discharged from hospital on Sunday.

Guangdong has confirmed 18 human H7N9 cases since August.