id author title date pages extension mime words sentences flesch summary cache txt cord-294590-1niaplc2 Schrag, Stephanie J. SARS Surveillance during Emergency Public Health Response, United States, March–July 2003 2004-02-17 .txt text/plain 4720 214 44 In response to the emergence of severe acute respiratory syndrome (SARS), the United States established national surveillance using a sensitive case definition incorporating clinical, epidemiologic, and laboratory criteria. In response to the emergence of severe acute respiratory syndrome (SARS), the United States established national surveillance using a sensitive case definition incorporating clinical, epidemiologic, and laboratory criteria. Of 1,460 unexplained respiratory illnesses reported by state and local health departments to the Centers for Disease Control and Prevention from March 17 to July 30, 2003 , a total of 398 (27%) met clinical and epidemiologic SARS case criteria. On March 14, 2003 , the U.S. Centers for Disease Control and Prevention (CDC) launched an emergency public health response and established national surveillance for SARS to identify case-patients in the United States and determine if domestic transmission was occurring. ./cache/cord-294590-1niaplc2.txt ./txt/cord-294590-1niaplc2.txt