Li Lanjuan, an academician of Chinese Engineering Academy and director of the State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, eats chicken thigh meat in her box lunch in Hangzhou, capital of east China's Zhejiang Province, April 15, 2013. Li said that well-cooked poultry are safe to eat as avian influenza virus are usually heat-sensitive. They can be inactived by boiling for 30 minutes at the temperature of 65 degrees Celsius or two minutes at the temperature of 100 degrees Celsius. By 4 p.m. on Monday, Zhejiang had reported a total of 16 H7N9 cases including one new case on Monday.