One more case of bird flu in humans has been confirmed in China's Jiangsu province, health authorities said Saturday.

A 35-year-old woman surnamed Lu, who was confirmed to have the infection Saturday, is in critical condition, Xinhua quoted the local health department as saying.

Jiangsu has reported 7 human H7N9 cases so far this month.

China has reported more than 120 human H7N9 cases this year, including at least 39 deaths.