2009年5月9日23时许,由美国CDC(疾控中心)无偿提供的3株甲型H1N1流感病毒毒株在特别护卫下,从大洋彼岸运抵北京,由专人专车送至中国CDC病毒病预防控制所国家流感中心实验室。这3株毒株中有2个为美国病例分离毒株,1个为墨西哥病例分离毒株。中国CDC病毒病预防控制所副所长、国 On May 9, 2009, at about 2300 hours, three strains of Influenza A (H1N1) virus, which were provided free of charge by the CDC (CDC) in the United States, arrived at Beijing from the other side of the oceans under special escort and were sent by special limousine to China CDC virus National Institute of Epidemiology, Institute for Disease Control and Prevention. Two of the three strains were isolated from the United States and one from the Mexican case. China CDC virus disease prevention and control of the deputy director, the country