GUANGZHOU, April 11 -- China's southern province of Guangdong reported three more deaths and four new human cases of H7N9 infection on Friday.

Two patients from the city of Guangzhou and another from Heyuan City died after treatment failed, the provincial health and family planning committee said.

Four new cases, two women and two men aged between 37 and 79, are all in critical condition.

So far Guangdong has reported more than 102 human H7N9 cases this year, including at least 32 deaths. A total of 60 patients have been discharged from hospitals.