SARS Prevention   Teacher: Come and wash your hands! Student: 10 seconds! Teacher: It should be at least 10 seconds! Student: Why? Teacher: Wash hands thoroughly to reduce risks of infection. Student:: Remember to dry your hands! Teacher: Right. Practise good personal hygiene, and try not to touch your eyes, mouth or nose even after you've washed your hands. Voice-over: Be vigilant and prepared for SARS.     End-super: SARS Vigilant and Prepared Department of Health website: http://www.dh.gov.hk Hotline: 2833 0111