MMWR Morb Mortal Wkly Rep. 1996 Dec 20;45(50):1102-5.
In collaboration with the World Health Organization (WHO), its collaborating laboratories, and state and local health departments, CDC conducts surveillance to monitor influenza activity and to detect antigenic changes in the circulating strains of influenza viruses. This report summarizes influenza activity in the United States from September 29 through December 7, 1996, and indicates that influenza activity has increased since mid-November.
美国疾病控制与预防中心（CDC）与世界卫生组织（WHO）、其合作实验室以及州和地方卫生部门合作，开展监测以监控流感活动，并检测流感病毒流行毒株中的抗原变化。本报告总结了1996年9月29日至12月7日美国的流感活动情况，并表明自11月中旬以来流感活动有所增加。
