MMWR Morb Mortal Wkly Rep. 2007 Sep 28;56(38):1001-4.
During May 20-September 15, 2007, influenza A (H1), influenza A (H3), and influenza B viruses cocirculated worldwide and were identified sporadically in the United States. This report summarizes influenza activity in the United States and worldwide since the last MMWR update.
2007年5月20日至9月15日期间，甲型（H1）流感病毒、甲型（H3）流感病毒和乙型流感病毒在全球共同传播，并在美国偶有发现。本报告总结了自上次《发病率与死亡率周报》更新以来美国和全球的流感疫情。
