MMWR Morb Mortal Wkly Rep. 1993 Dec 3;42(47):909-11.
In collaboration with the World Health Organization (WHO) international collaborating laboratories and with state and local health departments in the United States, CDC conducts surveillance to monitor influenza activity and to detect antigenic changes in the circulating strains of influenza viruses. Laboratory surveillance indicates the predominance of influenza type A so far this season. This report summarizes influenza activity in the United States and Europe from mid-September through mid-November 1993.
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，以监测流感活动并检测流感病毒流行毒株的抗原变化。实验室监测表明，本赛季到目前为止甲型流感占主导地位。本报告总结了1993年9月中旬至11月中旬美国和欧洲的流感活动情况。
