MMWR Morb Mortal Wkly Rep. 2003 Jul 18;52(28):664-5.
This report updates reported cases of severe acute respiratory syndrome (SARS) worldwide and in the United States, describes a change in the recommended timing of collection of a convalescent-phase serum specimen to test for antibody to SARS-associated coronavirus (SARS-CoV), and introduces a new case exclusion criterion based on negative SARS-CoV serology. In addition, this report also summarizes changes in travel alerts for Beijing and mainland China, Hong Kong, Toronto, and Taiwan.
本报告更新了全球及美国严重急性呼吸综合征（SARS）的报告病例，描述了在采集恢复期血清标本以检测抗SARS相关冠状病毒（SARS-CoV）抗体的推荐时间方面的变化，并引入了基于SARS-CoV血清学阴性的新病例排除标准。此外，本报告还总结了针对北京、中国大陆、香港、多伦多和台湾的旅行警示的变化。
