MMWR Morb Mortal Wkly Rep. 1994 Nov 25;43(46):848-9.
In collaboration with the World Health Organization (WHO) international collaborating laboratories and state and local health departments in the United States, CDC conducts surveillance to monitor influenza activity and to determine the antigenic characteristics of circulating strains of influenza viruses. This report describes influenza viruses isolated from sporadic cases of influenza in the United States during July-September 1994 and summarizes influenza surveillance findings from October through mid-November 1994.(ABSTRACT TRUNCATED AT 250 WORDS)
美国疾病控制与预防中心（CDC）与世界卫生组织（WHO）的国际合作实验室以及美国各州和地方卫生部门合作，开展监测工作，以监控流感活动并确定流行的流感病毒株的抗原特性。本报告描述了1994年7月至9月期间从美国流感散发病例中分离出的流感病毒，并总结了1994年10月至11月中旬的流感监测结果。（摘要截选至250词）
