导读：根据山东省健康部报道，山东省确立首例H7N9病例。此结果由中国疾病控预中心确定。
East China's Shandong Province has confirmed its first case of H7N9, according to the provincial health department.
The man, a 36-year-old construction materials wholesaler from Zaozhuang City, tested positive for the H7N9 avian influenza virus on Monday by the Shandong Provincial Center for Disease Control and Prevention.
The result was confirmed by the Chinese Center for Disease Control and Prevention on Tuesday.
The man is in serious condition. Nine people who have had close contact with him have not exhibited any abnormal symptoms.
As of Monday afternoon, a total of 104 H7N9 cases have been reported in China, including 21 that have ended in death.
