Health Worker Wearing A Surgical Mask

BEIJING - MAY 7: The body temperature of an unidentified person is shown on a computer screen that connects to a thermal imagery camera at a facility near the newly built Xiaotangshan hospital that is for medics and patients only and which is monitored by police and health workers as well as an elaborate computer system in Xiaotangshan on May 7, 2003 in Beijing, China. China is the country hardest hit by SARS and Beijing has 1,960 of China's 4,409 confirmed cases of Severe Acute Respiratory Syndrome and half of the country's 214 deaths. (Photo by Getty Images)