Guangdong Province saw the outbreak of SARS. It was said that white vinegar and isatis root could help fight the epidemic and people rushed to buy them until both went out-of-stock. A group of people is seen waiting to buy white vinegar at a factory gate in Ximan, Fujian Province on February 11, 2003. Each bottle costs 10 yuan, while at convenience stores in the neighborhood, one bottle costs 30 to 250 yuan. [Photo/CFP]