According to the Chinese National Health and Family Planning Commission on Sunday, there have been two more deaths of human H7N9 avian influenza in Zhejiang Province. So far, 20 people have died of H7N9 in China. The Zhejiang Provincial Health Department said that a 79-year-old male died after two week of treatment on Sunday morning. Another 62-year-old female patient died a day earlier after one week of treatment in Huzhou city. Of the total 101 cases reported in China, four patients are receiving special treatment. According to heath officials, China's confirmed H7N9 cases are isolated and there has been no sign of human-to-human transmission.