Three new cases of human H7N9 infection have been reported in south China’s Guangdong Province, the provincial health department confirmed on Tuesday.A four-year-old girl from Zhaoqing City, a 76-year-old man from Yangjiang City and a 52-year-old man from Huizhou City were confirmed to be infected with H7N9 bird flu on Monday. The two male patients died the same day, (Xinhua) news agency reported.The girl was in a stable condition, according to the department.Another human H7N9 case has been found in east China’s Jiangsu Province, the provincial health department confirmed on Tuesday.The patient, a 59-year-old woman from Wuxi City, was confirmed on Monday to have been infected. She is in a critical condition.