Chen Shijun, director of the Infectious Disease Hospital in Jinan, where the patient surnamed Lu was treated, confirmed that lab tests of the flu patient's saliva samples proved negative for A/H1N1 influenza virus on Monday.

　　The patient was a 19-year-old Chinese student from a Canadian university, who was on a vacation home.

　　China has reported three confirmed A/H1N1 influenza cases. The first A/H1N1 flu patient in the Chinese mainland was discharged from hospital Sunday in southwestern Sichuan Province. The Ministry of Health reported Monday one more suspected case in south China's Guangdong. All of the patients were people who returned from North American region.