Till Sunday evening, 11 new cases were confirmed, with two new deaths reported in Shanghai, Xinhua reported citing the National Health and Family Planning Commission.
The commission said in a daily update that so far the country has reported a total of 60 H7N9 cases, including 13 that ended in fatalities.
So far, a total of 24 cases, including nine ending in fatalities, have been reported in Shanghai.
Sixteen cases, including one death, have been reported in Jiangsu province, and 15 cases, including two deaths, in Zhejiang province.
Beijing has reported one case, and Anhui province two cases, with one death. Central China's Henan province has reported two infection cases.
The commission said that those who have had close contact with people infected by H7N9 have been placed under medical observation and have exhibited no abnormal symptoms.
It said the confirmed H7N9 cases are isolated and there has been no sign of human-to-human transmission.