1. Introduction Severe Acute Respiratory Syndrome, also known as SARS, is a new disease, which has its origins in Guangdong Province, China. SARS earliest cases have been identified in mid-November 2002. Since then, cases of SARS have been reported in 17 countries. The current number of cases of SARS is 2781 with 111 deaths . The global case-fatality rate for probable SARS is 4% . As of March 21, 2003, most patients, who have been identified, have been previously healthy adults aged 25-70 years. A …
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