Two people died in Jiangsu province besides one each in Zhejiang and Anhui provinces, taking toll to 31 in the two- month long crisis.
The number of cases also has gone up to 129 with detection of two more cases in Fujian province.
While there is no specific treatment, Chinese doctors say many patients are responding to treatment mostly confined to administering of drugs used for the previous bird flu attacks.
Both the Government and WHO ruled out human to human transmission.