3WHO. Acute respiratory syndrome in Hong Kong Special Administrative Region of China[EP/OL]. /Viet Nam, 2003-03-12.http://www. who. int.
4Twu SJ, CHEN TJ, CHEN CJ, et al. Control Measures for Severe Acute Respiratory Syndrome (SARS) in Taiwan EID Vol. 9, No. 6 June 2003 http://202.112.181.250/elib/sars/document/EIDVol.9No.6June2003Shing/htm